Add Google authentication

75 files changed, 7296 insertions, 0 deletions

diff --git a/vendor/OAuth/Common/AutoLoader.php b/vendor/OAuth/Common/AutoLoader.php
new file mode 100755
index 00000000..9fe7951c
--- /dev/null
+++ b/vendor/OAuth/Common/AutoLoader.php
@@ -0,0 +1,81 @@
+<?php
+
+namespace OAuth\Common;
+
+/**
+ * PSR-0 Autoloader
+ *
+ * @author ieter Hordijk <info@pieterhordijk.com>
+ */
+class AutoLoader
+{
+    /**
+     * @var string The namespace prefix for this instance.
+     */
+    protected $namespace = '';
+
+    /**
+     * @var string The filesystem prefix to use for this instance
+     */
+    protected $path = '';
+
+    /**
+     * Build the instance of the autoloader
+     *
+     * @param string $namespace The prefixed namespace this instance will load
+     * @param string $path      The filesystem path to the root of the namespace
+     */
+    public function __construct($namespace, $path)
+    {
+        $this->namespace = ltrim($namespace, '\\');
+        $this->path      = rtrim($path, '/\\') . DIRECTORY_SEPARATOR;
+    }
+
+    /**
+     * Try to load a class
+     *
+     * @param string $class The class name to load
+     *
+     * @return boolean If the loading was successful
+     */
+    public function load($class)
+    {
+        $class = ltrim($class, '\\');
+
+        if (strpos($class, $this->namespace) === 0) {
+            $nsparts   = explode('\\', $class);
+            $class     = array_pop($nsparts);
+            $nsparts[] = '';
+            $path      = $this->path . implode(DIRECTORY_SEPARATOR, $nsparts);
+            $path     .= str_replace('_', DIRECTORY_SEPARATOR, $class) . '.php';
+
+            if (file_exists($path)) {
+                require $path;
+
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Register the autoloader to PHP
+     *
+     * @return boolean The status of the registration
+     */
+    public function register()
+    {
+        return spl_autoload_register(array($this, 'load'));
+    }
+
+    /**
+     * Unregister the autoloader to PHP
+     *
+     * @return boolean The status of the unregistration
+     */
+    public function unregister()
+    {
+        return spl_autoload_unregister(array($this, 'load'));
+    }
+}
diff --git a/vendor/OAuth/Common/Consumer/Credentials.php b/vendor/OAuth/Common/Consumer/Credentials.php
new file mode 100755
index 00000000..8e98e9fa
--- /dev/null
+++ b/vendor/OAuth/Common/Consumer/Credentials.php
@@ -0,0 +1,60 @@
+<?php
+
+namespace OAuth\Common\Consumer;
+
+/**
+ * Value object for the credentials of an OAuth service.
+ */
+class Credentials implements CredentialsInterface
+{
+    /**
+     * @var string
+     */
+    protected $consumerId;
+
+    /**
+     * @var string
+     */
+    protected $consumerSecret;
+
+    /**
+     * @var string
+     */
+    protected $callbackUrl;
+
+    /**
+     * @param string $consumerId
+     * @param string $consumerSecret
+     * @param string $callbackUrl
+     */
+    public function __construct($consumerId, $consumerSecret, $callbackUrl)
+    {
+        $this->consumerId = $consumerId;
+        $this->consumerSecret = $consumerSecret;
+        $this->callbackUrl = $callbackUrl;
+    }
+
+    /**
+     * @return string
+     */
+    public function getCallbackUrl()
+    {
+        return $this->callbackUrl;
+    }
+
+    /**
+     * @return string
+     */
+    public function getConsumerId()
+    {
+        return $this->consumerId;
+    }
+
+    /**
+     * @return string
+     */
+    public function getConsumerSecret()
+    {
+        return $this->consumerSecret;
+    }
+}
diff --git a/vendor/OAuth/Common/Consumer/CredentialsInterface.php b/vendor/OAuth/Common/Consumer/CredentialsInterface.php
new file mode 100755
index 00000000..a33e54e9
--- /dev/null
+++ b/vendor/OAuth/Common/Consumer/CredentialsInterface.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace OAuth\Common\Consumer;
+
+/**
+ * Credentials Interface, credentials should implement this.
+ */
+interface CredentialsInterface
+{
+    /**
+     * @return string
+     */
+    public function getCallbackUrl();
+
+    /**
+     * @return string
+     */
+    public function getConsumerId();
+
+    /**
+     * @return string
+     */
+    public function getConsumerSecret();
+}
diff --git a/vendor/OAuth/Common/Exception/Exception.php b/vendor/OAuth/Common/Exception/Exception.php
new file mode 100755
index 00000000..2e399217
--- /dev/null
+++ b/vendor/OAuth/Common/Exception/Exception.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace OAuth\Common\Exception;
+
+/**
+ * Generic library-level exception.
+ */
+class Exception extends \Exception
+{
+}
diff --git a/vendor/OAuth/Common/Http/Client/AbstractClient.php b/vendor/OAuth/Common/Http/Client/AbstractClient.php
new file mode 100755
index 00000000..94000b18
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Client/AbstractClient.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace OAuth\Common\Http\Client;
+
+/**
+ * Abstract HTTP client
+ */
+abstract class AbstractClient implements ClientInterface
+{
+    /**
+     * @var string The user agent string passed to services
+     */
+    protected $userAgent;
+
+    /**
+     * @var int The maximum number of redirects
+     */
+    protected $maxRedirects = 5;
+
+    /**
+     * @var int The maximum timeout
+     */
+    protected $timeout = 15;
+
+    /**
+     * Creates instance
+     *
+     * @param string $userAgent The UA string the client will use
+     */
+    public function __construct($userAgent = 'PHPoAuthLib')
+    {
+        $this->userAgent = $userAgent;
+    }
+
+    /**
+     * @param int $redirects Maximum redirects for client
+     *
+     * @return ClientInterface
+     */
+    public function setMaxRedirects($redirects)
+    {
+        $this->maxRedirects = $redirects;
+
+        return $this;
+    }
+
+    /**
+     * @param int $timeout Request timeout time for client in seconds
+     *
+     * @return ClientInterface
+     */
+    public function setTimeout($timeout)
+    {
+        $this->timeout = $timeout;
+
+        return $this;
+    }
+
+    /**
+     * @param array $headers
+     */
+    public function normalizeHeaders(&$headers)
+    {
+        // Normalize headers
+        array_walk(
+            $headers,
+            function (&$val, &$key) {
+                $key = ucfirst(strtolower($key));
+                $val = ucfirst(strtolower($key)) . ': ' . $val;
+            }
+        );
+    }
+}
diff --git a/vendor/OAuth/Common/Http/Client/ClientInterface.php b/vendor/OAuth/Common/Http/Client/ClientInterface.php
new file mode 100755
index 00000000..f9c20226
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Client/ClientInterface.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace OAuth\Common\Http\Client;
+
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Http\Exception\TokenResponseException;
+
+/**
+ * Any HTTP clients to be used with the library should implement this interface.
+ */
+interface ClientInterface
+{
+    /**
+     * Any implementing HTTP providers should send a request to the provided endpoint with the parameters.
+     * They should return, in string form, the response body and throw an exception on error.
+     *
+     * @param UriInterface $endpoint
+     * @param mixed        $requestBody
+     * @param array        $extraHeaders
+     * @param string       $method
+     *
+     * @return string
+     *
+     * @throws TokenResponseException
+     */
+    public function retrieveResponse(
+        UriInterface $endpoint,
+        $requestBody,
+        array $extraHeaders = array(),
+        $method = 'POST'
+    );
+}
diff --git a/vendor/OAuth/Common/Http/Client/CurlClient.php b/vendor/OAuth/Common/Http/Client/CurlClient.php
new file mode 100755
index 00000000..eae1be3e
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Client/CurlClient.php
@@ -0,0 +1,142 @@
+<?php
+
+namespace OAuth\Common\Http\Client;
+
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Client implementation for cURL
+ */
+class CurlClient extends AbstractClient
+{
+    /**
+     * If true, explicitly sets cURL to use SSL version 3. Use this if cURL
+     * compiles with GnuTLS SSL.
+     *
+     * @var bool
+     */
+    private $forceSSL3 = false;
+
+    /**
+     * Additional parameters (as `key => value` pairs) to be passed to `curl_setopt`
+     *
+     * @var array
+     */
+    private $parameters = array();
+
+    /**
+     * Additional `curl_setopt` parameters
+     *
+     * @param array $parameters
+     */
+    public function setCurlParameters(array $parameters)
+    {
+        $this->parameters = $parameters;
+    }
+
+    /**
+     * @param bool $force
+     *
+     * @return CurlClient
+     */
+    public function setForceSSL3($force)
+    {
+        $this->forceSSL3 = $force;
+
+        return $this;
+    }
+
+    /**
+     * Any implementing HTTP providers should send a request to the provided endpoint with the parameters.
+     * They should return, in string form, the response body and throw an exception on error.
+     *
+     * @param UriInterface $endpoint
+     * @param mixed        $requestBody
+     * @param array        $extraHeaders
+     * @param string       $method
+     *
+     * @return string
+     *
+     * @throws TokenResponseException
+     * @throws \InvalidArgumentException
+     */
+    public function retrieveResponse(
+        UriInterface $endpoint,
+        $requestBody,
+        array $extraHeaders = array(),
+        $method = 'POST'
+    ) {
+        // Normalize method name
+        $method = strtoupper($method);
+
+        $this->normalizeHeaders($extraHeaders);
+
+        if ($method === 'GET' && !empty($requestBody)) {
+            throw new \InvalidArgumentException('No body expected for "GET" request.');
+        }
+
+        if (!isset($extraHeaders['Content-Type']) && $method === 'POST' && is_array($requestBody)) {
+            $extraHeaders['Content-Type'] = 'Content-Type: application/x-www-form-urlencoded';
+        }
+
+        $extraHeaders['Host']       = 'Host: '.$endpoint->getHost();
+        $extraHeaders['Connection'] = 'Connection: close';
+
+        $ch = curl_init();
+
+        curl_setopt($ch, CURLOPT_URL, $endpoint->getAbsoluteUri());
+
+        if ($method === 'POST' || $method === 'PUT') {
+            if ($requestBody && is_array($requestBody)) {
+                $requestBody = http_build_query($requestBody, '', '&');
+            }
+
+            if ($method === 'PUT') {
+                curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT');
+            } else {
+                curl_setopt($ch, CURLOPT_POST, true);
+            }
+
+            curl_setopt($ch, CURLOPT_POSTFIELDS, $requestBody);
+        } else {
+            curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
+        }
+
+        if ($this->maxRedirects > 0) {
+            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+            curl_setopt($ch, CURLOPT_MAXREDIRS, $this->maxRedirects);
+        }
+
+        curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        curl_setopt($ch, CURLOPT_HEADER, false);
+        curl_setopt($ch, CURLOPT_HTTPHEADER, $extraHeaders);
+        curl_setopt($ch, CURLOPT_USERAGENT, $this->userAgent);
+
+        foreach ($this->parameters as $key => $value) {
+            curl_setopt($ch, $key, $value);
+        }
+
+        if ($this->forceSSL3) {
+            curl_setopt($ch, CURLOPT_SSLVERSION, 3);
+        }
+
+        $response     = curl_exec($ch);
+        $responseCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+
+        if (false === $response) {
+            $errNo  = curl_errno($ch);
+            $errStr = curl_error($ch);
+            curl_close($ch);
+            if (empty($errStr)) {
+                throw new TokenResponseException('Failed to request resource.', $responseCode);
+            }
+            throw new TokenResponseException('cURL Error # '.$errNo.': '.$errStr, $responseCode);
+        }
+
+        curl_close($ch);
+
+        return $response;
+    }
+}
diff --git a/vendor/OAuth/Common/Http/Client/StreamClient.php b/vendor/OAuth/Common/Http/Client/StreamClient.php
new file mode 100755
index 00000000..7f3c5249
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Client/StreamClient.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace OAuth\Common\Http\Client;
+
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Client implementation for streams/file_get_contents
+ */
+class StreamClient extends AbstractClient
+{
+    /**
+     * Any implementing HTTP providers should send a request to the provided endpoint with the parameters.
+     * They should return, in string form, the response body and throw an exception on error.
+     *
+     * @param UriInterface $endpoint
+     * @param mixed        $requestBody
+     * @param array        $extraHeaders
+     * @param string       $method
+     *
+     * @return string
+     *
+     * @throws TokenResponseException
+     * @throws \InvalidArgumentException
+     */
+    public function retrieveResponse(
+        UriInterface $endpoint,
+        $requestBody,
+        array $extraHeaders = array(),
+        $method = 'POST'
+    ) {
+        // Normalize method name
+        $method = strtoupper($method);
+
+        $this->normalizeHeaders($extraHeaders);
+
+        if ($method === 'GET' && !empty($requestBody)) {
+            throw new \InvalidArgumentException('No body expected for "GET" request.');
+        }
+
+        if (!isset($extraHeaders['Content-Type']) && $method === 'POST' && is_array($requestBody)) {
+            $extraHeaders['Content-Type'] = 'Content-Type: application/x-www-form-urlencoded';
+        }
+
+        $host = 'Host: '.$endpoint->getHost();
+        // Append port to Host if it has been specified
+        if ($endpoint->hasExplicitPortSpecified()) {
+            $host .= ':'.$endpoint->getPort();
+        }
+
+        $extraHeaders['Host']       = $host;
+        $extraHeaders['Connection'] = 'Connection: close';
+
+        if (is_array($requestBody)) {
+            $requestBody = http_build_query($requestBody, '', '&');
+        }
+        $extraHeaders['Content-length'] = 'Content-length: '.strlen($requestBody);
+
+        $context = $this->generateStreamContext($requestBody, $extraHeaders, $method);
+
+        $level = error_reporting(0);
+        $response = file_get_contents($endpoint->getAbsoluteUri(), false, $context);
+        error_reporting($level);
+        if (false === $response) {
+            $lastError = error_get_last();
+            if (is_null($lastError)) {
+                throw new TokenResponseException('Failed to request resource.');
+            }
+            throw new TokenResponseException($lastError['message']);
+        }
+
+        return $response;
+    }
+
+    private function generateStreamContext($body, $headers, $method)
+    {
+        return stream_context_create(
+            array(
+                'http' => array(
+                    'method'           => $method,
+                    'header'           => implode("\r\n", array_values($headers)),
+                    'content'          => $body,
+                    'protocol_version' => '1.1',
+                    'user_agent'       => $this->userAgent,
+                    'max_redirects'    => $this->maxRedirects,
+                    'timeout'          => $this->timeout
+                ),
+            )
+        );
+    }
+}
diff --git a/vendor/OAuth/Common/Http/Exception/TokenResponseException.php b/vendor/OAuth/Common/Http/Exception/TokenResponseException.php
new file mode 100755
index 00000000..c519a223
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Exception/TokenResponseException.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace OAuth\Common\Http\Exception;
+
+use OAuth\Common\Exception\Exception;
+
+/**
+ * Exception relating to token response from service.
+ */
+class TokenResponseException extends Exception
+{
+}
diff --git a/vendor/OAuth/Common/Http/Uri/Uri.php b/vendor/OAuth/Common/Http/Uri/Uri.php
new file mode 100755
index 00000000..c5114937
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Uri/Uri.php
@@ -0,0 +1,408 @@
+<?php
+
+namespace OAuth\Common\Http\Uri;
+
+use InvalidArgumentException;
+
+/**
+ * Standards-compliant URI class.
+ */
+class Uri implements UriInterface
+{
+    /**
+     * @var string
+     */
+    private $scheme = 'http';
+
+    /**
+     * @var string
+     */
+    private $userInfo = '';
+
+    /**
+     * @var string
+     */
+    private $rawUserInfo = '';
+
+    /**
+     * @var string
+     */
+    private $host;
+
+    /**
+     * @var int
+     */
+    private $port = 80;
+
+    /**
+     * @var string
+     */
+    private $path = '/';
+
+    /**
+     * @var string
+     */
+    private $query = '';
+
+    /**
+     * @var string
+     */
+    private $fragment = '';
+
+    /**
+     * @var bool
+     */
+    private $explicitPortSpecified = false;
+
+    /**
+     * @var bool
+     */
+    private $explicitTrailingHostSlash = false;
+
+    /**
+     * @param string $uri
+     */
+    public function __construct($uri = null)
+    {
+        if (null !== $uri) {
+            $this->parseUri($uri);
+        }
+    }
+
+    /**
+     * @param string $uri
+     *
+     * @throws \InvalidArgumentException
+     */
+    protected function parseUri($uri)
+    {
+        if (false === ($uriParts = parse_url($uri))) {
+            // congratulations if you've managed to get parse_url to fail,
+            // it seems to always return some semblance of a parsed url no matter what
+            throw new InvalidArgumentException("Invalid URI: $uri");
+        }
+
+        if (!isset($uriParts['scheme'])) {
+            throw new InvalidArgumentException('Invalid URI: http|https scheme required');
+        }
+
+        $this->scheme = $uriParts['scheme'];
+        $this->host = $uriParts['host'];
+
+        if (isset($uriParts['port'])) {
+            $this->port = $uriParts['port'];
+            $this->explicitPortSpecified = true;
+        } else {
+            $this->port = strcmp('https', $uriParts['scheme']) ? 80 : 443;
+            $this->explicitPortSpecified = false;
+        }
+
+        if (isset($uriParts['path'])) {
+            $this->path = $uriParts['path'];
+            if ('/' === $uriParts['path']) {
+                $this->explicitTrailingHostSlash = true;
+            }
+        } else {
+            $this->path = '/';
+        }
+
+        $this->query = isset($uriParts['query']) ? $uriParts['query'] : '';
+        $this->fragment = isset($uriParts['fragment']) ? $uriParts['fragment'] : '';
+
+        $userInfo = '';
+        if (!empty($uriParts['user'])) {
+            $userInfo .= $uriParts['user'];
+        }
+        if ($userInfo && !empty($uriParts['pass'])) {
+            $userInfo .= ':' . $uriParts['pass'];
+        }
+
+        $this->setUserInfo($userInfo);
+    }
+
+    /**
+     * @param string $rawUserInfo
+     *
+     * @return string
+     */
+    protected function protectUserInfo($rawUserInfo)
+    {
+        $colonPos = strpos($rawUserInfo, ':');
+
+        // rfc3986-3.2.1 | http://tools.ietf.org/html/rfc3986#section-3.2
+        // "Applications should not render as clear text any data
+        // after the first colon (":") character found within a userinfo
+        // subcomponent unless the data after the colon is the empty string
+        // (indicating no password)"
+        if ($colonPos !== false && strlen($rawUserInfo)-1 > $colonPos) {
+            return substr($rawUserInfo, 0, $colonPos) . ':********';
+        } else {
+            return $rawUserInfo;
+        }
+    }
+
+    /**
+     * @return string
+     */
+    public function getScheme()
+    {
+        return $this->scheme;
+    }
+
+    /**
+     * @return string
+     */
+    public function getUserInfo()
+    {
+        return $this->userInfo;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRawUserInfo()
+    {
+        return $this->rawUserInfo;
+    }
+
+    /**
+     * @return string
+     */
+    public function getHost()
+    {
+        return $this->host;
+    }
+
+    /**
+     * @return int
+     */
+    public function getPort()
+    {
+        return $this->port;
+    }
+
+    /**
+     * @return string
+     */
+    public function getPath()
+    {
+        return $this->path;
+    }
+
+    /**
+     * @return string
+     */
+    public function getQuery()
+    {
+        return $this->query;
+    }
+
+    /**
+     * @return string
+     */
+    public function getFragment()
+    {
+        return $this->fragment;
+    }
+
+    /**
+     * Uses protected user info by default as per rfc3986-3.2.1
+     * Uri::getRawAuthority() is available if plain-text password information is desirable.
+     *
+     * @return string
+     */
+    public function getAuthority()
+    {
+        $authority = $this->userInfo ? $this->userInfo.'@' : '';
+        $authority .= $this->host;
+
+        if ($this->explicitPortSpecified) {
+            $authority .= ":{$this->port}";
+        }
+
+        return $authority;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRawAuthority()
+    {
+        $authority = $this->rawUserInfo ? $this->rawUserInfo.'@' : '';
+        $authority .= $this->host;
+
+        if ($this->explicitPortSpecified) {
+            $authority .= ":{$this->port}";
+        }
+
+        return $authority;
+    }
+
+    /**
+     * @return string
+     */
+    public function getAbsoluteUri()
+    {
+        $uri = $this->scheme . '://' . $this->getRawAuthority();
+
+        if ('/' === $this->path) {
+            $uri .= $this->explicitTrailingHostSlash ? '/' : '';
+        } else {
+            $uri .= $this->path;
+        }
+
+        if (!empty($this->query)) {
+            $uri .= "?{$this->query}";
+        }
+
+        if (!empty($this->fragment)) {
+            $uri .= "#{$this->fragment}";
+        }
+
+        return $uri;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRelativeUri()
+    {
+        $uri = '';
+
+        if ('/' === $this->path) {
+            $uri .= $this->explicitTrailingHostSlash ? '/' : '';
+        } else {
+            $uri .= $this->path;
+        }
+
+        return $uri;
+    }
+
+    /**
+     * Uses protected user info by default as per rfc3986-3.2.1
+     * Uri::getAbsoluteUri() is available if plain-text password information is desirable.
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        $uri = $this->scheme . '://' . $this->getAuthority();
+
+        if ('/' === $this->path) {
+            $uri .= $this->explicitTrailingHostSlash ? '/' : '';
+        } else {
+            $uri .= $this->path;
+        }
+
+        if (!empty($this->query)) {
+            $uri .= "?{$this->query}";
+        }
+
+        if (!empty($this->fragment)) {
+            $uri .= "#{$this->fragment}";
+        }
+
+        return $uri;
+    }
+
+    /**
+     * @param $path
+     */
+    public function setPath($path)
+    {
+        if (empty($path)) {
+            $this->path = '/';
+            $this->explicitTrailingHostSlash = false;
+        } else {
+            $this->path = $path;
+            if ('/' === $this->path) {
+                $this->explicitTrailingHostSlash = true;
+            }
+        }
+    }
+
+    /**
+     * @param string $query
+     */
+    public function setQuery($query)
+    {
+        $this->query = $query;
+    }
+
+    /**
+     * @param string $var
+     * @param string $val
+     */
+    public function addToQuery($var, $val)
+    {
+        if (strlen($this->query) > 0) {
+            $this->query .= '&';
+        }
+        $this->query .= http_build_query(array($var => $val), '', '&');
+    }
+
+    /**
+     * @param string $fragment
+     */
+    public function setFragment($fragment)
+    {
+        $this->fragment = $fragment;
+    }
+
+    /**
+     * @param string $scheme
+     */
+    public function setScheme($scheme)
+    {
+        $this->scheme = $scheme;
+    }
+
+
+    /**
+     * @param string $userInfo
+     */
+    public function setUserInfo($userInfo)
+    {
+        $this->userInfo = $userInfo ? $this->protectUserInfo($userInfo) : '';
+        $this->rawUserInfo = $userInfo;
+    }
+
+
+    /**
+     * @param int $port
+     */
+    public function setPort($port)
+    {
+        $this->port = intval($port);
+
+        if (('https' === $this->scheme && $this->port === 443) || ('http' === $this->scheme && $this->port === 80)) {
+            $this->explicitPortSpecified = false;
+        } else {
+            $this->explicitPortSpecified = true;
+        }
+    }
+
+    /**
+     * @param string $host
+     */
+    public function setHost($host)
+    {
+        $this->host = $host;
+    }
+
+    /**
+     * @return bool
+     */
+    public function hasExplicitTrailingHostSlash()
+    {
+        return $this->explicitTrailingHostSlash;
+    }
+
+    /**
+     * @return bool
+     */
+    public function hasExplicitPortSpecified()
+    {
+        return $this->explicitPortSpecified;
+    }
+}
diff --git a/vendor/OAuth/Common/Http/Uri/UriFactory.php b/vendor/OAuth/Common/Http/Uri/UriFactory.php
new file mode 100755
index 00000000..127aa203
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Uri/UriFactory.php
@@ -0,0 +1,168 @@
+<?php
+
+namespace OAuth\Common\Http\Uri;
+
+use RuntimeException;
+
+/**
+ * Factory class for uniform resource indicators
+ */
+class UriFactory implements UriFactoryInterface
+{
+    /**
+     * Factory method to build a URI from a super-global $_SERVER array.
+     *
+     * @param array $_server
+     *
+     * @return UriInterface
+     */
+    public function createFromSuperGlobalArray(array $_server)
+    {
+        if ($uri = $this->attemptProxyStyleParse($_server)) {
+            return $uri;
+        }
+
+        $scheme = $this->detectScheme($_server);
+        $host = $this->detectHost($_server);
+        $port = $this->detectPort($_server);
+        $path = $this->detectPath($_server);
+        $query = $this->detectQuery($_server);
+
+        return $this->createFromParts($scheme, '', $host, $port, $path, $query);
+    }
+
+    /**
+     * @param string $absoluteUri
+     *
+     * @return UriInterface
+     */
+    public function createFromAbsolute($absoluteUri)
+    {
+        return new Uri($absoluteUri);
+    }
+
+    /**
+     * Factory method to build a URI from parts
+     *
+     * @param string $scheme
+     * @param string $userInfo
+     * @param string $host
+     * @param string $port
+     * @param string $path
+     * @param string $query
+     * @param string $fragment
+     *
+     * @return UriInterface
+     */
+    public function createFromParts($scheme, $userInfo, $host, $port, $path = '', $query = '', $fragment = '')
+    {
+        $uri = new Uri();
+        $uri->setScheme($scheme);
+        $uri->setUserInfo($userInfo);
+        $uri->setHost($host);
+        $uri->setPort($port);
+        $uri->setPath($path);
+        $uri->setQuery($query);
+        $uri->setFragment($fragment);
+
+        return $uri;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return UriInterface|null
+     */
+    private function attemptProxyStyleParse($_server)
+    {
+        // If the raw HTTP request message arrives with a proxy-style absolute URI in the
+        // initial request line, the absolute URI is stored in $_SERVER['REQUEST_URI'] and
+        // we only need to parse that.
+        if (isset($_server['REQUEST_URI']) && parse_url($_server['REQUEST_URI'], PHP_URL_SCHEME)) {
+            return new Uri($_server['REQUEST_URI']);
+        }
+
+        return null;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     *
+     * @throws RuntimeException
+     */
+    private function detectPath($_server)
+    {
+        if (isset($_server['REQUEST_URI'])) {
+            $uri = $_server['REQUEST_URI'];
+        } elseif (isset($_server['REDIRECT_URL'])) {
+            $uri = $_server['REDIRECT_URL'];
+        } else {
+            throw new RuntimeException('Could not detect URI path from superglobal');
+        }
+
+        $queryStr = strpos($uri, '?');
+        if ($queryStr !== false) {
+            $uri = substr($uri, 0, $queryStr);
+        }
+
+        return $uri;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     */
+    private function detectHost(array $_server)
+    {
+        $host = isset($_server['HTTP_HOST']) ? $_server['HTTP_HOST'] : '';
+
+        if (strstr($host, ':')) {
+            $host = parse_url($host, PHP_URL_HOST);
+        }
+
+        return $host;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     */
+    private function detectPort(array $_server)
+    {
+        return isset($_server['SERVER_PORT']) ? $_server['SERVER_PORT'] : 80;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     */
+    private function detectQuery(array $_server)
+    {
+        return isset($_server['QUERY_STRING']) ? $_server['QUERY_STRING'] : '';
+    }
+
+    /**
+     * Determine URI scheme component from superglobal array
+     *
+     * When using ISAPI with IIS, the value will be "off" if the request was
+     * not made through the HTTPS protocol. As a result, we filter the
+     * value to a bool.
+     *
+     * @param array $_server A super-global $_SERVER array
+     *
+     * @return string Returns http or https depending on the URI scheme
+     */
+    private function detectScheme(array $_server)
+    {
+        if (isset($_server['HTTPS']) && filter_var($_server['HTTPS'], FILTER_VALIDATE_BOOLEAN)) {
+            return 'https';
+        } else {
+            return 'http';
+        }
+    }
+}
diff --git a/vendor/OAuth/Common/Http/Uri/UriFactoryInterface.php b/vendor/OAuth/Common/Http/Uri/UriFactoryInterface.php
new file mode 100755
index 00000000..2b157d84
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Uri/UriFactoryInterface.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace OAuth\Common\Http\Uri;
+
+/**
+ * Factory interface for uniform resource indicators
+ */
+interface UriFactoryInterface
+{
+    /**
+     * Factory method to build a URI from a super-global $_SERVER array.
+     *
+     * @param array $_server
+     *
+     * @return UriInterface
+     */
+    public function createFromSuperGlobalArray(array $_server);
+
+    /**
+     * Creates a URI from an absolute URI
+     *
+     * @param string $absoluteUri
+     *
+     * @return UriInterface
+     */
+    public function createFromAbsolute($absoluteUri);
+
+    /**
+     * Factory method to build a URI from parts
+     *
+     * @param string $scheme
+     * @param string $userInfo
+     * @param string $host
+     * @param string $port
+     * @param string $path
+     * @param string $query
+     * @param string $fragment
+     *
+     * @return UriInterface
+     */
+    public function createFromParts($scheme, $userInfo, $host, $port, $path = '', $query = '', $fragment = '');
+}
diff --git a/vendor/OAuth/Common/Http/Uri/UriInterface.php b/vendor/OAuth/Common/Http/Uri/UriInterface.php
new file mode 100755
index 00000000..008d4647
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Uri/UriInterface.php
@@ -0,0 +1,133 @@
+<?php
+
+namespace OAuth\Common\Http\Uri;
+
+interface UriInterface
+{
+    /**
+     * @return string
+     */
+    public function getScheme();
+
+    /**
+     * @param string $scheme
+     */
+    public function setScheme($scheme);
+
+    /**
+     * @return string
+     */
+    public function getHost();
+
+    /**
+     * @param string $host
+     */
+    public function setHost($host);
+
+    /**
+     * @return int
+     */
+    public function getPort();
+
+    /**
+     * @param int $port
+     */
+    public function setPort($port);
+
+    /**
+     * @return string
+     */
+    public function getPath();
+
+    /**
+     * @param string $path
+     */
+    public function setPath($path);
+
+    /**
+     * @return string
+     */
+    public function getQuery();
+
+    /**
+     * @param string $query
+     */
+    public function setQuery($query);
+
+    /**
+     * Adds a param to the query string.
+     *
+     * @param string $var
+     * @param string $val
+     */
+    public function addToQuery($var, $val);
+
+    /**
+     * @return string
+     */
+    public function getFragment();
+
+    /**
+     * Should return URI user info, masking protected user info data according to rfc3986-3.2.1
+     *
+     * @return string
+     */
+    public function getUserInfo();
+
+    /**
+     * @param string $userInfo
+     */
+    public function setUserInfo($userInfo);
+
+    /**
+     * Should return the URI Authority, masking protected user info data according to rfc3986-3.2.1
+     *
+     * @return string
+     */
+    public function getAuthority();
+
+    /**
+     * Should return the URI string, masking protected user info data according to rfc3986-3.2.1
+     *
+     * @return string the URI string with user protected info masked
+     */
+    public function __toString();
+
+    /**
+     * Should return the URI Authority without masking protected user info data
+     *
+     * @return string
+     */
+    public function getRawAuthority();
+
+    /**
+     * Should return the URI user info without masking protected user info data
+     *
+     * @return string
+     */
+    public function getRawUserInfo();
+
+    /**
+     * Build the full URI based on all the properties
+     *
+     * @return string The full URI without masking user info
+     */
+    public function getAbsoluteUri();
+
+    /**
+     * Build the relative URI based on all the properties
+     *
+     * @return string The relative URI
+     */
+    public function getRelativeUri();
+
+    /**
+     * @return bool
+     */
+    public function hasExplicitTrailingHostSlash();
+
+    /**
+     * @return bool
+     */
+    public function hasExplicitPortSpecified();
+}
diff --git a/vendor/OAuth/Common/Service/AbstractService.php b/vendor/OAuth/Common/Service/AbstractService.php
new file mode 100755
index 00000000..0bf572b4
--- /dev/null
+++ b/vendor/OAuth/Common/Service/AbstractService.php
@@ -0,0 +1,100 @@
+<?php
+
+namespace OAuth\Common\Service;
+
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Exception\Exception;
+use OAuth\Common\Storage\TokenStorageInterface;
+
+/**
+ * Abstract OAuth service, version-agnostic
+ */
+abstract class AbstractService implements ServiceInterface
+{
+    /** @var Credentials */
+    protected $credentials;
+
+    /** @var ClientInterface */
+    protected $httpClient;
+
+    /** @var TokenStorageInterface */
+    protected $storage;
+
+    /**
+     * @param CredentialsInterface  $credentials
+     * @param ClientInterface       $httpClient
+     * @param TokenStorageInterface $storage
+     */
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage
+    ) {
+        $this->credentials = $credentials;
+        $this->httpClient = $httpClient;
+        $this->storage = $storage;
+    }
+
+    /**
+     * @param UriInterface|string $path
+     * @param UriInterface        $baseApiUri
+     *
+     * @return UriInterface
+     *
+     * @throws Exception
+     */
+    protected function determineRequestUriFromPath($path, UriInterface $baseApiUri = null)
+    {
+        if ($path instanceof UriInterface) {
+            $uri = $path;
+        } elseif (stripos($path, 'http://') === 0 || stripos($path, 'https://') === 0) {
+            $uri = new Uri($path);
+        } else {
+            if (null === $baseApiUri) {
+                throw new Exception(
+                    'An absolute URI must be passed to ServiceInterface::request as no baseApiUri is set.'
+                );
+            }
+
+            $uri = clone $baseApiUri;
+            if (false !== strpos($path, '?')) {
+                $parts = explode('?', $path, 2);
+                $path = $parts[0];
+                $query = $parts[1];
+                $uri->setQuery($query);
+            }
+
+            if ($path[0] === '/') {
+                $path = substr($path, 1);
+            }
+
+            $uri->setPath($uri->getPath() . $path);
+        }
+
+        return $uri;
+    }
+
+    /**
+     * Accessor to the storage adapter to be able to retrieve tokens
+     *
+     * @return TokenStorageInterface
+     */
+    public function getStorage()
+    {
+        return $this->storage;
+    }
+
+    /**
+     * @return string
+     */
+    public function service()
+    {
+        // get class name without backslashes
+        $classname = get_class($this);
+
+        return preg_replace('/^.*\\\\/', '', $classname);
+    }
+}
diff --git a/vendor/OAuth/Common/Service/ServiceInterface.php b/vendor/OAuth/Common/Service/ServiceInterface.php
new file mode 100755
index 00000000..5856a039
--- /dev/null
+++ b/vendor/OAuth/Common/Service/ServiceInterface.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace OAuth\Common\Service;
+
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Defines methods common among all OAuth services.
+ */
+interface ServiceInterface
+{
+    /**
+     * Sends an authenticated API request to the path provided.
+     * If the path provided is not an absolute URI, the base API Uri (service-specific) will be used.
+     *
+     * @param string|UriInterface $path
+     * @param string              $method       HTTP method
+     * @param array               $body         Request body if applicable (an associative array will
+     *                                          automatically be converted into a urlencoded body)
+     * @param array               $extraHeaders Extra headers if applicable. These will override service-specific
+     *                                          any defaults.
+     *
+     * @return string
+     */
+    public function request($path, $method = 'GET', $body = null, array $extraHeaders = array());
+
+    /**
+     * Returns the url to redirect to for authorization purposes.
+     *
+     * @param array $additionalParameters
+     *
+     * @return UriInterface
+     */
+    public function getAuthorizationUri(array $additionalParameters = array());
+
+    /**
+     * Returns the authorization API endpoint.
+     *
+     * @return UriInterface
+     */
+    public function getAuthorizationEndpoint();
+
+    /**
+     * Returns the access token API endpoint.
+     *
+     * @return UriInterface
+     */
+    public function getAccessTokenEndpoint();
+}
diff --git a/vendor/OAuth/Common/Storage/Exception/AuthorizationStateNotFoundException.php b/vendor/OAuth/Common/Storage/Exception/AuthorizationStateNotFoundException.php
new file mode 100755
index 00000000..b3daeabb
--- /dev/null
+++ b/vendor/OAuth/Common/Storage/Exception/AuthorizationStateNotFoundException.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace OAuth\Common\Storage\Exception;
+
+/**
+ * Exception thrown when a state is not found in storage.
+ */
+class AuthorizationStateNotFoundException extends StorageException
+{
+}
diff --git a/vendor/OAuth/Common/Storage/Exception/StorageException.php b/vendor/OAuth/Common/Storage/Exception/StorageException.php
new file mode 100755
index 00000000..4378ee8f
--- /dev/null
+++ b/vendor/OAuth/Common/Storage/Exception/StorageException.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace OAuth\Common\Storage\Exception;
+
+use OAuth\Common\Exception\Exception;
+
+/**
+ * Generic storage exception.
+ */
+class StorageException extends Exception
+{
+}
diff --git a/vendor/OAuth/Common/Storage/Exception/TokenNotFoundException.php b/vendor/OAuth/Common/Storage/Exception/TokenNotFoundException.php
new file mode 100755
index 00000000..06222508
--- /dev/null
+++ b/vendor/OAuth/Common/Storage/Exception/TokenNotFoundException.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace OAuth\Common\Storage\Exception;
+
+/**
+ * Exception thrown when a token is not found in storage.
+ */
+class TokenNotFoundException extends StorageException
+{
+}
diff --git a/vendor/OAuth/Common/Storage/Memory.php b/vendor/OAuth/Common/Storage/Memory.php
new file mode 100755
index 00000000..d42c2251
--- /dev/null
+++ b/vendor/OAuth/Common/Storage/Memory.php
@@ -0,0 +1,139 @@
+<?php
+
+namespace OAuth\Common\Storage;
+
+use OAuth\Common\Token\TokenInterface;
+use OAuth\Common\Storage\Exception\TokenNotFoundException;
+use OAuth\Common\Storage\Exception\AuthorizationStateNotFoundException;
+
+/*
+ * Stores a token in-memory only (destroyed at end of script execution).
+ */
+class Memory implements TokenStorageInterface
+{
+    /**
+     * @var object|TokenInterface
+     */
+    protected $tokens;
+
+    /**
+     * @var array
+     */
+    protected $states;
+
+    public function __construct()
+    {
+        $this->tokens = array();
+        $this->states = array();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function retrieveAccessToken($service)
+    {
+        if ($this->hasAccessToken($service)) {
+            return $this->tokens[$service];
+        }
+
+        throw new TokenNotFoundException('Token not stored');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function storeAccessToken($service, TokenInterface $token)
+    {
+        $this->tokens[$service] = $token;
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasAccessToken($service)
+    {
+        return isset($this->tokens[$service]) && $this->tokens[$service] instanceof TokenInterface;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearToken($service)
+    {
+        if (array_key_exists($service, $this->tokens)) {
+            unset($this->tokens[$service]);
+        }
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAllTokens()
+    {
+        $this->tokens = array();
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function retrieveAuthorizationState($service)
+    {
+        if ($this->hasAuthorizationState($service)) {
+            return $this->states[$service];
+        }
+
+        throw new AuthorizationStateNotFoundException('State not stored');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function storeAuthorizationState($service, $state)
+    {
+        $this->states[$service] = $state;
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasAuthorizationState($service)
+    {
+        return isset($this->states[$service]) && null !== $this->states[$service];
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAuthorizationState($service)
+    {
+        if (array_key_exists($service, $this->states)) {
+            unset($this->states[$service]);
+        }
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAllAuthorizationStates()
+    {
+        $this->states = array();
+
+        // allow chaining
+        return $this;
+    }
+}
diff --git a/vendor/OAuth/Common/Storage/Redis.php b/vendor/OAuth/Common/Storage/Redis.php
new file mode 100755
index 00000000..77318bd6
--- /dev/null
+++ b/vendor/OAuth/Common/Storage/Redis.php
@@ -0,0 +1,230 @@
+<?php
+
+namespace OAuth\Common\Storage;
+
+use OAuth\Common\Token\TokenInterface;
+use OAuth\Common\Storage\Exception\TokenNotFoundException;
+use OAuth\Common\Storage\Exception\AuthorizationStateNotFoundException;
+use Predis\Client as Predis;
+
+/*
+ * Stores a token in a Redis server. Requires the Predis library available at https://github.com/nrk/predis
+ */
+class Redis implements TokenStorageInterface
+{
+    /**
+     * @var string
+     */
+    protected $key;
+
+    protected $stateKey;
+
+    /**
+     * @var object|\Redis
+     */
+    protected $redis;
+
+    /**
+     * @var object|TokenInterface
+     */
+    protected $cachedTokens;
+
+    /**
+     * @var object
+     */
+    protected $cachedStates;
+
+    /**
+     * @param Predis $redis An instantiated and connected redis client
+     * @param string $key The key to store the token under in redis
+     * @param string $stateKey The key to store the state under in redis.
+     */
+    public function __construct(Predis $redis, $key, $stateKey)
+    {
+        $this->redis = $redis;
+        $this->key = $key;
+        $this->stateKey = $stateKey;
+        $this->cachedTokens = array();
+        $this->cachedStates = array();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function retrieveAccessToken($service)
+    {
+        if (!$this->hasAccessToken($service)) {
+            throw new TokenNotFoundException('Token not found in redis');
+        }
+
+        if (isset($this->cachedTokens[$service])) {
+            return $this->cachedTokens[$service];
+        }
+
+        $val = $this->redis->hget($this->key, $service);
+
+        return $this->cachedTokens[$service] = unserialize($val);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function storeAccessToken($service, TokenInterface $token)
+    {
+        // (over)write the token
+        $this->redis->hset($this->key, $service, serialize($token));
+        $this->cachedTokens[$service] = $token;
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasAccessToken($service)
+    {
+        if (isset($this->cachedTokens[$service])
+            && $this->cachedTokens[$service] instanceof TokenInterface
+        ) {
+            return true;
+        }
+
+        return $this->redis->hexists($this->key, $service);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearToken($service)
+    {
+        $this->redis->hdel($this->key, $service);
+        unset($this->cachedTokens[$service]);
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAllTokens()
+    {
+        // memory
+        $this->cachedTokens = array();
+
+        // redis
+        $keys = $this->redis->hkeys($this->key);
+        $me = $this; // 5.3 compat
+
+        // pipeline for performance
+        $this->redis->pipeline(
+            function ($pipe) use ($keys, $me) {
+                foreach ($keys as $k) {
+                    $pipe->hdel($me->getKey(), $k);
+                }
+            }
+        );
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function retrieveAuthorizationState($service)
+    {
+        if (!$this->hasAuthorizationState($service)) {
+            throw new AuthorizationStateNotFoundException('State not found in redis');
+        }
+
+        if (isset($this->cachedStates[$service])) {
+            return $this->cachedStates[$service];
+        }
+
+        $val = $this->redis->hget($this->stateKey, $service);
+
+        return $this->cachedStates[$service] = unserialize($val);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function storeAuthorizationState($service, $state)
+    {
+        // (over)write the token
+        $this->redis->hset($this->stateKey, $service, $state);
+        $this->cachedStates[$service] = $state;
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasAuthorizationState($service)
+    {
+        if (isset($this->cachedStates[$service])
+            && null !== $this->cachedStates[$service]
+        ) {
+            return true;
+        }
+
+        return $this->redis->hexists($this->stateKey, $service);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAuthorizationState($service)
+    {
+        $this->redis->hdel($this->stateKey, $service);
+        unset($this->cachedStates[$service]);
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAllAuthorizationStates()
+    {
+        // memory
+        $this->cachedStates = array();
+
+        // redis
+        $keys = $this->redis->hkeys($this->stateKey);
+        $me = $this; // 5.3 compat
+
+        // pipeline for performance
+        $this->redis->pipeline(
+            function ($pipe) use ($keys, $me) {
+                foreach ($keys as $k) {
+                    $pipe->hdel($me->getKey(), $k);
+                }
+            }
+        );
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * @return Predis $redis
+     */
+    public function getRedis()
+    {
+        return $this->redis;
+    }
+
+    /**
+     * @return string $key
+     */
+    public function getKey()
+    {
+        return $this->key;
+    }
+}
diff --git a/vendor/OAuth/Common/Storage/Session.php b/vendor/OAuth/Common/Storage/Session.php
new file mode 100755
index 00000000..e908a67e
--- /dev/null
+++ b/vendor/OAuth/Common/Storage/Session.php
@@ -0,0 +1,188 @@
+<?php
+
+namespace OAuth\Common\Storage;
+
+use OAuth\Common\Token\TokenInterface;
+use OAuth\Common\Storage\Exception\TokenNotFoundException;
+use OAuth\Common\Storage\Exception\AuthorizationStateNotFoundException;
+
+/**
+ * Stores a token in a PHP session.
+ */
+class Session implements TokenStorageInterface
+{
+    /**
+     * @var bool
+     */
+    protected $startSession;
+
+    /**
+     * @var string
+     */
+    protected $sessionVariableName;
+
+    /**
+     * @var string
+     */
+    protected $stateVariableName;
+
+    /**
+     * @param bool $startSession Whether or not to start the session upon construction.
+     * @param string $sessionVariableName the variable name to use within the _SESSION superglobal
+     * @param string $stateVariableName
+     */
+    public function __construct(
+        $startSession = true,
+        $sessionVariableName = 'lusitanian_oauth_token',
+        $stateVariableName = 'lusitanian_oauth_state'
+    ) {
+        if ($startSession && !isset($_SESSION)) {
+            session_start();
+        }
+
+        $this->startSession = $startSession;
+        $this->sessionVariableName = $sessionVariableName;
+        $this->stateVariableName = $stateVariableName;
+        if (!isset($_SESSION[$sessionVariableName])) {
+            $_SESSION[$sessionVariableName] = array();
+        }
+        if (!isset($_SESSION[$stateVariableName])) {
+            $_SESSION[$stateVariableName] = array();
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function retrieveAccessToken($service)
+    {
+        if ($this->hasAccessToken($service)) {
+            return unserialize($_SESSION[$this->sessionVariableName][$service]);
+        }
+
+        throw new TokenNotFoundException('Token not found in session, are you sure you stored it?');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function storeAccessToken($service, TokenInterface $token)
+    {
+        $serializedToken = serialize($token);
+
+        if (isset($_SESSION[$this->sessionVariableName])
+            && is_array($_SESSION[$this->sessionVariableName])
+        ) {
+            $_SESSION[$this->sessionVariableName][$service] = $serializedToken;
+        } else {
+            $_SESSION[$this->sessionVariableName] = array(
+                $service => $serializedToken,
+            );
+        }
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasAccessToken($service)
+    {
+        return isset($_SESSION[$this->sessionVariableName], $_SESSION[$this->sessionVariableName][$service]);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearToken($service)
+    {
+        if (array_key_exists($service, $_SESSION[$this->sessionVariableName])) {
+            unset($_SESSION[$this->sessionVariableName][$service]);
+        }
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAllTokens()
+    {
+        unset($_SESSION[$this->sessionVariableName]);
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function storeAuthorizationState($service, $state)
+    {
+        if (isset($_SESSION[$this->stateVariableName])
+            && is_array($_SESSION[$this->stateVariableName])
+        ) {
+            $_SESSION[$this->stateVariableName][$service] = $state;
+        } else {
+            $_SESSION[$this->stateVariableName] = array(
+                $service => $state,
+            );
+        }
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasAuthorizationState($service)
+    {
+        return isset($_SESSION[$this->stateVariableName], $_SESSION[$this->stateVariableName][$service]);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function retrieveAuthorizationState($service)
+    {
+        if ($this->hasAuthorizationState($service)) {
+            return $_SESSION[$this->stateVariableName][$service];
+        }
+
+        throw new AuthorizationStateNotFoundException('State not found in session, are you sure you stored it?');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAuthorizationState($service)
+    {
+        if (array_key_exists($service, $_SESSION[$this->stateVariableName])) {
+            unset($_SESSION[$this->stateVariableName][$service]);
+        }
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAllAuthorizationStates()
+    {
+        unset($_SESSION[$this->stateVariableName]);
+
+        // allow chaining
+        return $this;
+    }
+
+    public function __destruct()
+    {
+        if ($this->startSession) {
+            session_write_close();
+        }
+    }
+}
diff --git a/vendor/OAuth/Common/Storage/SymfonySession.php b/vendor/OAuth/Common/Storage/SymfonySession.php
new file mode 100755
index 00000000..6c5fbf60
--- /dev/null
+++ b/vendor/OAuth/Common/Storage/SymfonySession.php
@@ -0,0 +1,200 @@
+<?php
+
+namespace OAuth\Common\Storage;
+
+use OAuth\Common\Token\TokenInterface;
+use OAuth\Common\Storage\Exception\TokenNotFoundException;
+use OAuth\Common\Storage\Exception\AuthorizationStateNotFoundException;
+use Symfony\Component\HttpFoundation\Session\SessionInterface;
+
+class SymfonySession implements TokenStorageInterface
+{
+    private $session;
+    private $sessionVariableName;
+    private $stateVariableName;
+
+    /**
+     * @param SessionInterface $session
+     * @param bool $startSession
+     * @param string $sessionVariableName
+     * @param string $stateVariableName
+     */
+    public function __construct(
+        SessionInterface $session,
+        $startSession = true,
+        $sessionVariableName = 'lusitanian_oauth_token',
+        $stateVariableName = 'lusitanian_oauth_state'
+    ) {
+        $this->session = $session;
+        $this->sessionVariableName = $sessionVariableName;
+        $this->stateVariableName = $stateVariableName;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function retrieveAccessToken($service)
+    {
+        if ($this->hasAccessToken($service)) {
+            // get from session
+            $tokens = $this->session->get($this->sessionVariableName);
+
+            // one item
+            return $tokens[$service];
+        }
+
+        throw new TokenNotFoundException('Token not found in session, are you sure you stored it?');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function storeAccessToken($service, TokenInterface $token)
+    {
+        // get previously saved tokens
+        $tokens = $this->session->get($this->sessionVariableName);
+
+        if (!is_array($tokens)) {
+            $tokens = array();
+        }
+
+        $tokens[$service] = $token;
+
+        // save
+        $this->session->set($this->sessionVariableName, $tokens);
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasAccessToken($service)
+    {
+        // get from session
+        $tokens = $this->session->get($this->sessionVariableName);
+
+        return is_array($tokens)
+            && isset($tokens[$service])
+            && $tokens[$service] instanceof TokenInterface;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearToken($service)
+    {
+        // get previously saved tokens
+        $tokens = $this->session->get($this->sessionVariableName);
+
+        if (is_array($tokens) && array_key_exists($service, $tokens)) {
+            unset($tokens[$service]);
+
+            // Replace the stored tokens array
+            $this->session->set($this->sessionVariableName, $tokens);
+        }
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAllTokens()
+    {
+        $this->session->remove($this->sessionVariableName);
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function retrieveAuthorizationState($service)
+    {
+        if ($this->hasAuthorizationState($service)) {
+            // get from session
+            $states = $this->session->get($this->stateVariableName);
+
+            // one item
+            return $states[$service];
+        }
+
+        throw new AuthorizationStateNotFoundException('State not found in session, are you sure you stored it?');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function storeAuthorizationState($service, $state)
+    {
+        // get previously saved tokens
+        $states = $this->session->get($this->stateVariableName);
+
+        if (!is_array($states)) {
+            $states = array();
+        }
+
+        $states[$service] = $state;
+
+        // save
+        $this->session->set($this->stateVariableName, $states);
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasAuthorizationState($service)
+    {
+        // get from session
+        $states = $this->session->get($this->stateVariableName);
+
+        return is_array($states)
+        && isset($states[$service])
+        && null !== $states[$service];
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAuthorizationState($service)
+    {
+        // get previously saved tokens
+        $states = $this->session->get($this->stateVariableName);
+
+        if (is_array($states) && array_key_exists($service, $states)) {
+            unset($states[$service]);
+
+            // Replace the stored tokens array
+            $this->session->set($this->stateVariableName, $states);
+        }
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clearAllAuthorizationStates()
+    {
+        $this->session->remove($this->stateVariableName);
+
+        // allow chaining
+        return $this;
+    }
+
+    /**
+     * @return Session
+     */
+    public function getSession()
+    {
+        return $this->session;
+    }
+}
diff --git a/vendor/OAuth/Common/Storage/TokenStorageInterface.php b/vendor/OAuth/Common/Storage/TokenStorageInterface.php
new file mode 100755
index 00000000..46552cee
--- /dev/null
+++ b/vendor/OAuth/Common/Storage/TokenStorageInterface.php
@@ -0,0 +1,98 @@
+<?php
+
+namespace OAuth\Common\Storage;
+
+use OAuth\Common\Token\TokenInterface;
+use OAuth\Common\Storage\Exception\TokenNotFoundException;
+
+/**
+ * All token storage providers must implement this interface.
+ */
+interface TokenStorageInterface
+{
+    /**
+     * @param string $service
+     *
+     * @return TokenInterface
+     *
+     * @throws TokenNotFoundException
+     */
+    public function retrieveAccessToken($service);
+
+    /**
+     * @param string         $service
+     * @param TokenInterface $token
+     *
+     * @return TokenStorageInterface
+     */
+    public function storeAccessToken($service, TokenInterface $token);
+
+    /**
+     * @param string $service
+     *
+     * @return bool
+     */
+    public function hasAccessToken($service);
+
+    /**
+     * Delete the users token. Aka, log out.
+     *
+     * @param string $service
+     *
+     * @return TokenStorageInterface
+     */
+    public function clearToken($service);
+
+    /**
+     * Delete *ALL* user tokens. Use with care. Most of the time you will likely
+     * want to use clearToken() instead.
+     *
+     * @return TokenStorageInterface
+     */
+    public function clearAllTokens();
+
+    /**
+     * Store the authorization state related to a given service
+     *
+     * @param string $service
+     * @param string $state
+     *
+     * @return TokenStorageInterface
+     */
+    public function storeAuthorizationState($service, $state);
+
+    /**
+     * Check if an authorization state for a given service exists
+     *
+     * @param string $service
+     *
+     * @return bool
+     */
+    public function hasAuthorizationState($service);
+
+    /**
+     * Retrieve the authorization state for a given service
+     *
+     * @param string $service
+     *
+     * @return string
+     */
+    public function retrieveAuthorizationState($service);
+
+    /**
+     * Clear the authorization state of a given service
+     *
+     * @param string $service
+     *
+     * @return TokenStorageInterface
+     */
+    public function clearAuthorizationState($service);
+
+    /**
+     * Delete *ALL* user authorization states. Use with care. Most of the time you will likely
+     * want to use clearAuthorization() instead.
+     *
+     * @return TokenStorageInterface
+     */
+    public function clearAllAuthorizationStates();
+}
diff --git a/vendor/OAuth/Common/Token/AbstractToken.php b/vendor/OAuth/Common/Token/AbstractToken.php
new file mode 100755
index 00000000..8d448a18
--- /dev/null
+++ b/vendor/OAuth/Common/Token/AbstractToken.php
@@ -0,0 +1,121 @@
+<?php
+
+namespace OAuth\Common\Token;
+
+/**
+ * Base token implementation for any OAuth version.
+ */
+abstract class AbstractToken implements TokenInterface
+{
+    /**
+     * @var string
+     */
+    protected $accessToken;
+
+    /**
+     * @var string
+     */
+    protected $refreshToken;
+
+    /**
+     * @var int
+     */
+    protected $endOfLife;
+
+    /**
+     * @var array
+     */
+    protected $extraParams = array();
+
+    /**
+     * @param string $accessToken
+     * @param string $refreshToken
+     * @param int    $lifetime
+     * @param array  $extraParams
+     */
+    public function __construct($accessToken = null, $refreshToken = null, $lifetime = null, $extraParams = array())
+    {
+        $this->accessToken = $accessToken;
+        $this->refreshToken = $refreshToken;
+        $this->setLifetime($lifetime);
+        $this->extraParams = $extraParams;
+    }
+
+    /**
+     * @return string
+     */
+    public function getAccessToken()
+    {
+        return $this->accessToken;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRefreshToken()
+    {
+        return $this->refreshToken;
+    }
+
+    /**
+     * @return int
+     */
+    public function getEndOfLife()
+    {
+        return $this->endOfLife;
+    }
+
+    /**
+     * @param array $extraParams
+     */
+    public function setExtraParams(array $extraParams)
+    {
+        $this->extraParams = $extraParams;
+    }
+
+    /**
+     * @return array
+     */
+    public function getExtraParams()
+    {
+        return $this->extraParams;
+    }
+
+    /**
+     * @param string $accessToken
+     */
+    public function setAccessToken($accessToken)
+    {
+        $this->accessToken = $accessToken;
+    }
+
+    /**
+     * @param int $endOfLife
+     */
+    public function setEndOfLife($endOfLife)
+    {
+        $this->endOfLife = $endOfLife;
+    }
+
+    /**
+     * @param int $lifetime
+     */
+    public function setLifetime($lifetime)
+    {
+        if (0 === $lifetime || static::EOL_NEVER_EXPIRES === $lifetime) {
+            $this->endOfLife = static::EOL_NEVER_EXPIRES;
+        } elseif (null !== $lifetime) {
+            $this->endOfLife = intval($lifetime) + time();
+        } else {
+            $this->endOfLife = static::EOL_UNKNOWN;
+        }
+    }
+
+    /**
+     * @param string $refreshToken
+     */
+    public function setRefreshToken($refreshToken)
+    {
+        $this->refreshToken = $refreshToken;
+    }
+}
diff --git a/vendor/OAuth/Common/Token/Exception/ExpiredTokenException.php b/vendor/OAuth/Common/Token/Exception/ExpiredTokenException.php
new file mode 100755
index 00000000..26ad6cc5
--- /dev/null
+++ b/vendor/OAuth/Common/Token/Exception/ExpiredTokenException.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace OAuth\Common\Token\Exception;
+
+use OAuth\Common\Exception\Exception;
+
+/**
+ * Exception thrown when an expired token is attempted to be used.
+ */
+class ExpiredTokenException extends Exception
+{
+}
diff --git a/vendor/OAuth/Common/Token/TokenInterface.php b/vendor/OAuth/Common/Token/TokenInterface.php
new file mode 100755
index 00000000..84a41092
--- /dev/null
+++ b/vendor/OAuth/Common/Token/TokenInterface.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace OAuth\Common\Token;
+
+/**
+ * Base token interface for any OAuth version.
+ */
+interface TokenInterface
+{
+    /**
+     * Denotes an unknown end of life time.
+     */
+    const EOL_UNKNOWN = -9001;
+
+    /**
+     * Denotes a token which never expires, should only happen in OAuth1.
+     */
+    const EOL_NEVER_EXPIRES = -9002;
+
+    /**
+     * @return string
+     */
+    public function getAccessToken();
+
+    /**
+     * @return int
+     */
+    public function getEndOfLife();
+
+    /**
+     * @return array
+     */
+    public function getExtraParams();
+
+    /**
+     * @param string $accessToken
+     */
+    public function setAccessToken($accessToken);
+
+    /**
+     * @param int $endOfLife
+     */
+    public function setEndOfLife($endOfLife);
+
+    /**
+     * @param int $lifetime
+     */
+    public function setLifetime($lifetime);
+
+    /**
+     * @param array $extraParams
+     */
+    public function setExtraParams(array $extraParams);
+
+    /**
+     * @return string
+     */
+    public function getRefreshToken();
+
+    /**
+     * @param string $refreshToken
+     */
+    public function setRefreshToken($refreshToken);
+}
diff --git a/vendor/OAuth/OAuth1/Service/AbstractService.php b/vendor/OAuth/OAuth1/Service/AbstractService.php
new file mode 100755
index 00000000..0bff5558
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Service/AbstractService.php
@@ -0,0 +1,311 @@
+<?php
+
+namespace OAuth\OAuth1\Service;
+
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\OAuth1\Signature\SignatureInterface;
+use OAuth\OAuth1\Token\TokenInterface;
+use OAuth\OAuth1\Token\StdOAuth1Token;
+use OAuth\Common\Service\AbstractService as BaseAbstractService;
+
+abstract class AbstractService extends BaseAbstractService implements ServiceInterface
+{
+    /** @const OAUTH_VERSION */
+    const OAUTH_VERSION = 1;
+
+    /** @var SignatureInterface */
+    protected $signature;
+
+    /** @var UriInterface|null */
+    protected $baseApiUri;
+
+    /**
+     * {@inheritDoc}
+     */
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        SignatureInterface $signature,
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage);
+
+        $this->signature = $signature;
+        $this->baseApiUri = $baseApiUri;
+
+        $this->signature->setHashingAlgorithm($this->getSignatureMethod());
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function requestRequestToken()
+    {
+        $authorizationHeader = array('Authorization' => $this->buildAuthorizationHeaderForTokenRequest());
+        $headers = array_merge($authorizationHeader, $this->getExtraOAuthHeaders());
+
+        $responseBody = $this->httpClient->retrieveResponse($this->getRequestTokenEndpoint(), array(), $headers);
+
+        $token = $this->parseRequestTokenResponse($responseBody);
+        $this->storage->storeAccessToken($this->service(), $token);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationUri(array $additionalParameters = array())
+    {
+        // Build the url
+        $url = clone $this->getAuthorizationEndpoint();
+        foreach ($additionalParameters as $key => $val) {
+            $url->addToQuery($key, $val);
+        }
+
+        return $url;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function requestAccessToken($token, $verifier, $tokenSecret = null)
+    {
+        if (is_null($tokenSecret)) {
+            $storedRequestToken = $this->storage->retrieveAccessToken($this->service());
+            $tokenSecret = $storedRequestToken->getRequestTokenSecret();
+        }
+        $this->signature->setTokenSecret($tokenSecret);
+
+        $extraAuthenticationHeaders = array(
+            'oauth_token' => $token,
+        );
+
+        $bodyParams = array(
+            'oauth_verifier' => $verifier,
+        );
+
+        $authorizationHeader = array(
+            'Authorization' => $this->buildAuthorizationHeaderForAPIRequest(
+                'POST',
+                $this->getAccessTokenEndpoint(),
+                $this->storage->retrieveAccessToken($this->service()),
+                $bodyParams
+            )
+        );
+
+        $headers = array_merge($authorizationHeader, $this->getExtraOAuthHeaders());
+
+        $responseBody = $this->httpClient->retrieveResponse($this->getAccessTokenEndpoint(), $bodyParams, $headers);
+
+        $token = $this->parseAccessTokenResponse($responseBody);
+        $this->storage->storeAccessToken($this->service(), $token);
+
+        return $token;
+    }
+
+    /**
+     * Sends an authenticated API request to the path provided.
+     * If the path provided is not an absolute URI, the base API Uri (must be passed into constructor) will be used.
+     *
+     * @param string|UriInterface $path
+     * @param string              $method       HTTP method
+     * @param array               $body         Request body if applicable (key/value pairs)
+     * @param array               $extraHeaders Extra headers if applicable.
+     *                                          These will override service-specific any defaults.
+     *
+     * @return string
+     */
+    public function request($path, $method = 'GET', $body = null, array $extraHeaders = array())
+    {
+        $uri = $this->determineRequestUriFromPath($path, $this->baseApiUri);
+
+        /** @var $token StdOAuth1Token */
+        $token = $this->storage->retrieveAccessToken($this->service());
+        $extraHeaders = array_merge($this->getExtraApiHeaders(), $extraHeaders);
+        $authorizationHeader = array(
+            'Authorization' => $this->buildAuthorizationHeaderForAPIRequest($method, $uri, $token, $body)
+        );
+        $headers = array_merge($authorizationHeader, $extraHeaders);
+
+        return $this->httpClient->retrieveResponse($uri, $body, $headers, $method);
+    }
+
+    /**
+     * Return any additional headers always needed for this service implementation's OAuth calls.
+     *
+     * @return array
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array();
+    }
+
+    /**
+     * Return any additional headers always needed for this service implementation's API calls.
+     *
+     * @return array
+     */
+    protected function getExtraApiHeaders()
+    {
+        return array();
+    }
+
+    /**
+     * Builds the authorization header for getting an access or request token.
+     *
+     * @param array $extraParameters
+     *
+     * @return string
+     */
+    protected function buildAuthorizationHeaderForTokenRequest(array $extraParameters = array())
+    {
+        $parameters = $this->getBasicAuthorizationHeaderInfo();
+        $parameters = array_merge($parameters, $extraParameters);
+        $parameters['oauth_signature'] = $this->signature->getSignature(
+            $this->getRequestTokenEndpoint(),
+            $parameters,
+            'POST'
+        );
+
+        $authorizationHeader = 'OAuth ';
+        $delimiter = '';
+        foreach ($parameters as $key => $value) {
+            $authorizationHeader .= $delimiter . rawurlencode($key) . '="' . rawurlencode($value) . '"';
+
+            $delimiter = ', ';
+        }
+
+        return $authorizationHeader;
+    }
+
+    /**
+     * Builds the authorization header for an authenticated API request
+     *
+     * @param string         $method
+     * @param UriInterface   $uri        The uri the request is headed
+     * @param TokenInterface $token
+     * @param array          $bodyParams Request body if applicable (key/value pairs)
+     *
+     * @return string
+     */
+    protected function buildAuthorizationHeaderForAPIRequest(
+        $method,
+        UriInterface $uri,
+        TokenInterface $token,
+        $bodyParams = null
+    ) {
+        $this->signature->setTokenSecret($token->getAccessTokenSecret());
+        $parameters = $this->getBasicAuthorizationHeaderInfo();
+        if (isset($parameters['oauth_callback'])) {
+            unset($parameters['oauth_callback']);
+        }
+
+        $parameters = array_merge($parameters, array('oauth_token' => $token->getAccessToken()));
+
+        $mergedParams = (is_array($bodyParams)) ? array_merge($parameters, $bodyParams) : $parameters;
+
+        $parameters['oauth_signature'] = $this->signature->getSignature($uri, $mergedParams, $method);
+
+        $authorizationHeader = 'OAuth ';
+        $delimiter = '';
+
+        foreach ($parameters as $key => $value) {
+            $authorizationHeader .= $delimiter . rawurlencode($key) . '="' . rawurlencode($value) . '"';
+            $delimiter = ', ';
+        }
+
+        return $authorizationHeader;
+    }
+
+    /**
+     * Builds the authorization header array.
+     *
+     * @return array
+     */
+    protected function getBasicAuthorizationHeaderInfo()
+    {
+        $dateTime = new \DateTime();
+        $headerParameters = array(
+            'oauth_callback'         => $this->credentials->getCallbackUrl(),
+            'oauth_consumer_key'     => $this->credentials->getConsumerId(),
+            'oauth_nonce'            => $this->generateNonce(),
+            'oauth_signature_method' => $this->getSignatureMethod(),
+            'oauth_timestamp'        => $dateTime->format('U'),
+            'oauth_version'          => $this->getVersion(),
+        );
+
+        return $headerParameters;
+    }
+
+    /**
+     * Pseudo random string generator used to build a unique string to sign each request
+     *
+     * @param int $length
+     *
+     * @return string
+     */
+    protected function generateNonce($length = 32)
+    {
+        $characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';
+
+        $nonce = '';
+        $maxRand = strlen($characters)-1;
+        for ($i = 0; $i < $length; $i++) {
+            $nonce.= $characters[rand(0, $maxRand)];
+        }
+
+        return $nonce;
+    }
+
+    /**
+     * @return string
+     */
+    protected function getSignatureMethod()
+    {
+        return 'HMAC-SHA1';
+    }
+
+    /**
+     * This returns the version used in the authorization header of the requests
+     *
+     * @return string
+     */
+    protected function getVersion()
+    {
+        return '1.0';
+    }
+
+    /**
+     * Parses the request token response and returns a TokenInterface.
+     * This is only needed to verify the `oauth_callback_confirmed` parameter. The actual
+     * parsing logic is contained in the access token parser.
+     *
+     * @abstract
+     *
+     * @param string $responseBody
+     *
+     * @return TokenInterface
+     *
+     * @throws TokenResponseException
+     */
+    abstract protected function parseRequestTokenResponse($responseBody);
+
+    /**
+     * Parses the access token response and returns a TokenInterface.
+     *
+     * @abstract
+     *
+     * @param string $responseBody
+     *
+     * @return TokenInterface
+     *
+     * @throws TokenResponseException
+     */
+    abstract protected function parseAccessTokenResponse($responseBody);
+}
diff --git a/vendor/OAuth/OAuth1/Service/BitBucket.php b/vendor/OAuth/OAuth1/Service/BitBucket.php
new file mode 100755
index 00000000..f6d8edfe
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Service/BitBucket.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace OAuth\OAuth1\Service;
+
+use OAuth\OAuth1\Signature\SignatureInterface;
+use OAuth\OAuth1\Token\StdOAuth1Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+
+class BitBucket extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        SignatureInterface $signature,
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $signature, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://bitbucket.org/api/1.0/');
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getRequestTokenEndpoint()
+    {
+        return new Uri('https://bitbucket.org/!api/1.0/oauth/request_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://bitbucket.org/!api/1.0/oauth/authenticate');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://bitbucket.org/!api/1.0/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
+            throw new TokenResponseException('Error in retrieving token.');
+        }
+
+        return $this->parseAccessTokenResponse($responseBody);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth1Token();
+
+        $token->setRequestToken($data['oauth_token']);
+        $token->setRequestTokenSecret($data['oauth_token_secret']);
+        $token->setAccessToken($data['oauth_token']);
+        $token->setAccessTokenSecret($data['oauth_token_secret']);
+
+        $token->setEndOfLife(StdOAuth1Token::EOL_NEVER_EXPIRES);
+        unset($data['oauth_token'], $data['oauth_token_secret']);
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth1/Service/Etsy.php b/vendor/OAuth/OAuth1/Service/Etsy.php
new file mode 100755
index 00000000..884358eb
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Service/Etsy.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace OAuth\OAuth1\Service;
+
+use OAuth\OAuth1\Signature\SignatureInterface;
+use OAuth\OAuth1\Token\StdOAuth1Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+
+class Etsy extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        SignatureInterface $signature,
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $signature, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://openapi.etsy.com/v2/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getRequestTokenEndpoint()
+    {
+        return new Uri($this->baseApiUri . 'oauth/request_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri($this->baseApiUri);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri($this->baseApiUri . 'oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
+            throw new TokenResponseException('Error in retrieving token.');
+        }
+
+        return $this->parseAccessTokenResponse($responseBody);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth1Token();
+
+        $token->setRequestToken($data['oauth_token']);
+        $token->setRequestTokenSecret($data['oauth_token_secret']);
+        $token->setAccessToken($data['oauth_token']);
+        $token->setAccessTokenSecret($data['oauth_token_secret']);
+
+        $token->setEndOfLife(StdOAuth1Token::EOL_NEVER_EXPIRES);
+        unset($data['oauth_token'], $data['oauth_token_secret']);
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth1/Service/FitBit.php b/vendor/OAuth/OAuth1/Service/FitBit.php
new file mode 100755
index 00000000..78032d75
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Service/FitBit.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace OAuth\OAuth1\Service;
+
+use OAuth\OAuth1\Signature\SignatureInterface;
+use OAuth\OAuth1\Token\StdOAuth1Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+
+class FitBit extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        SignatureInterface $signature,
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $signature, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.fitbit.com/1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getRequestTokenEndpoint()
+    {
+        return new Uri('https://api.fitbit.com/oauth/request_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.fitbit.com/oauth/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.fitbit.com/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
+            throw new TokenResponseException('Error in retrieving token.');
+        }
+
+        return $this->parseAccessTokenResponse($responseBody);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth1Token();
+
+        $token->setRequestToken($data['oauth_token']);
+        $token->setRequestTokenSecret($data['oauth_token_secret']);
+        $token->setAccessToken($data['oauth_token']);
+        $token->setAccessTokenSecret($data['oauth_token_secret']);
+
+        $token->setEndOfLife(StdOAuth1Token::EOL_NEVER_EXPIRES);
+        unset($data['oauth_token'], $data['oauth_token_secret']);
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth1/Service/Flickr.php b/vendor/OAuth/OAuth1/Service/Flickr.php
new file mode 100755
index 00000000..f06d282a
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Service/Flickr.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace OAuth\OAuth1\Service;
+
+use OAuth\OAuth1\Signature\SignatureInterface;
+use OAuth\OAuth1\Token\StdOAuth1Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+
+class Flickr extends AbstractService
+{
+    
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        SignatureInterface $signature,
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $signature, $baseApiUri);
+        if ($baseApiUri === null) {
+            $this->baseApiUri = new Uri('https://api.flickr.com/services/rest/');
+        }
+    }
+    
+    public function getRequestTokenEndpoint()
+    {
+        return new Uri('https://www.flickr.com/services/oauth/request_token');
+    }
+    
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.flickr.com/services/oauth/authorize');
+    }
+    
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://www.flickr.com/services/oauth/access_token');
+    }
+    
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] != 'true') {
+            throw new TokenResponseException('Error in retrieving token.');
+        }
+        return $this->parseAccessTokenResponse($responseBody);
+    }
+    
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+        if ($data === null || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+        
+        $token = new StdOAuth1Token();
+        $token->setRequestToken($data['oauth_token']);
+        $token->setRequestTokenSecret($data['oauth_token_secret']);
+        $token->setAccessToken($data['oauth_token']);
+        $token->setAccessTokenSecret($data['oauth_token_secret']);
+        $token->setEndOfLife(StdOAuth1Token::EOL_NEVER_EXPIRES);
+        unset($data['oauth_token'], $data['oauth_token_secret']);
+        $token->setExtraParams($data);
+        
+        return $token;
+    }
+    
+    public function request($path, $method = 'GET', $body = null, array $extraHeaders = array())
+    {
+        $uri = $this->determineRequestUriFromPath('/', $this->baseApiUri);
+        $uri->addToQuery('method', $path);
+        
+        $token = $this->storage->retrieveAccessToken($this->service());
+        $extraHeaders = array_merge($this->getExtraApiHeaders(), $extraHeaders);
+        $authorizationHeader = array(
+            'Authorization' => $this->buildAuthorizationHeaderForAPIRequest($method, $uri, $token, $body)
+        );
+        $headers = array_merge($authorizationHeader, $extraHeaders);
+        
+        return $this->httpClient->retrieveResponse($uri, $body, $headers, $method);
+    }
+}
diff --git a/vendor/OAuth/OAuth1/Service/ScoopIt.php b/vendor/OAuth/OAuth1/Service/ScoopIt.php
new file mode 100755
index 00000000..28bd250b
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Service/ScoopIt.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace OAuth\OAuth1\Service;
+
+use OAuth\OAuth1\Signature\SignatureInterface;
+use OAuth\OAuth1\Token\StdOAuth1Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+
+class ScoopIt extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        SignatureInterface $signature,
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $signature, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://www.scoop.it/api/1/');
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getRequestTokenEndpoint()
+    {
+        return new Uri('https://www.scoop.it/oauth/request');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.scoop.it/oauth/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://www.scoop.it/oauth/access');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
+            throw new TokenResponseException('Error in retrieving token.');
+        }
+
+        return $this->parseAccessTokenResponse($responseBody);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth1Token();
+
+        $token->setRequestToken($data['oauth_token']);
+        $token->setRequestTokenSecret($data['oauth_token_secret']);
+        $token->setAccessToken($data['oauth_token']);
+        $token->setAccessTokenSecret($data['oauth_token_secret']);
+
+        $token->setEndOfLife(StdOAuth1Token::EOL_NEVER_EXPIRES);
+        unset($data['oauth_token'], $data['oauth_token_secret']);
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth1/Service/ServiceInterface.php b/vendor/OAuth/OAuth1/Service/ServiceInterface.php
new file mode 100755
index 00000000..3f91fbf2
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Service/ServiceInterface.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace OAuth\OAuth1\Service;
+
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Token\TokenInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Service\ServiceInterface as BaseServiceInterface;
+use OAuth\OAuth1\Signature\SignatureInterface;
+
+/**
+ * Defines the common methods across OAuth 1 services.
+ */
+interface ServiceInterface extends BaseServiceInterface
+{
+    /**
+     * Retrieves and stores/returns the OAuth1 request token obtained from the service.
+     *
+     * @return TokenInterface $token
+     *
+     * @throws TokenResponseException
+     */
+    public function requestRequestToken();
+
+    /**
+     * Retrieves and stores/returns the OAuth1 access token after a successful authorization.
+     *
+     * @param string $token       The request token from the callback.
+     * @param string $verifier
+     * @param string $tokenSecret
+     *
+     * @return TokenInterface $token
+     *
+     * @throws TokenResponseException
+     */
+    public function requestAccessToken($token, $verifier, $tokenSecret);
+
+    /**
+     * @return UriInterface
+     */
+    public function getRequestTokenEndpoint();
+}
diff --git a/vendor/OAuth/OAuth1/Service/Tumblr.php b/vendor/OAuth/OAuth1/Service/Tumblr.php
new file mode 100755
index 00000000..3f5d38a8
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Service/Tumblr.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace OAuth\OAuth1\Service;
+
+use OAuth\OAuth1\Signature\SignatureInterface;
+use OAuth\OAuth1\Token\StdOAuth1Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+
+class Tumblr extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        SignatureInterface $signature,
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $signature, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.tumblr.com/v2/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getRequestTokenEndpoint()
+    {
+        return new Uri('https://www.tumblr.com/oauth/request_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.tumblr.com/oauth/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://www.tumblr.com/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
+            throw new TokenResponseException('Error in retrieving token.');
+        }
+
+        return $this->parseAccessTokenResponse($responseBody);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth1Token();
+
+        $token->setRequestToken($data['oauth_token']);
+        $token->setRequestTokenSecret($data['oauth_token_secret']);
+        $token->setAccessToken($data['oauth_token']);
+        $token->setAccessTokenSecret($data['oauth_token_secret']);
+
+        $token->setEndOfLife(StdOAuth1Token::EOL_NEVER_EXPIRES);
+        unset($data['oauth_token'], $data['oauth_token_secret']);
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth1/Service/Twitter.php b/vendor/OAuth/OAuth1/Service/Twitter.php
new file mode 100755
index 00000000..f46c34e4
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Service/Twitter.php
@@ -0,0 +1,121 @@
+<?php
+
+namespace OAuth\OAuth1\Service;
+
+use OAuth\OAuth1\Signature\SignatureInterface;
+use OAuth\OAuth1\Token\StdOAuth1Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Exception\Exception;
+
+class Twitter extends AbstractService
+{
+    const ENDPOINT_AUTHENTICATE = "https://api.twitter.com/oauth/authenticate";
+    const ENDPOINT_AUTHORIZE    = "https://api.twitter.com/oauth/authorize";
+
+    protected $authorizationEndpoint   = self::ENDPOINT_AUTHENTICATE;
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        SignatureInterface $signature,
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $signature, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.twitter.com/1.1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getRequestTokenEndpoint()
+    {
+        return new Uri('https://api.twitter.com/oauth/request_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        if ($this->authorizationEndpoint != self::ENDPOINT_AUTHENTICATE
+        && $this->authorizationEndpoint != self::ENDPOINT_AUTHORIZE) {
+            $this->authorizationEndpoint = self::ENDPOINT_AUTHENTICATE;
+        }
+        return new Uri($this->authorizationEndpoint);
+    }
+
+    /**
+     * @param string $authorizationEndpoint
+     *
+     * @throws Exception
+     */
+    public function setAuthorizationEndpoint($endpoint)
+    {
+        if ($endpoint != self::ENDPOINT_AUTHENTICATE && $endpoint != self::ENDPOINT_AUTHORIZE) {
+            throw new Exception(
+                sprintf("'%s' is not a correct Twitter authorization endpoint.", $endpoint)
+            );
+        }
+        $this->authorizationEndpoint = $endpoint;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.twitter.com/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
+            throw new TokenResponseException('Error in retrieving token.');
+        }
+
+        return $this->parseAccessTokenResponse($responseBody);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth1Token();
+
+        $token->setRequestToken($data['oauth_token']);
+        $token->setRequestTokenSecret($data['oauth_token_secret']);
+        $token->setAccessToken($data['oauth_token']);
+        $token->setAccessTokenSecret($data['oauth_token_secret']);
+
+        $token->setEndOfLife(StdOAuth1Token::EOL_NEVER_EXPIRES);
+        unset($data['oauth_token'], $data['oauth_token_secret']);
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth1/Service/Xing.php b/vendor/OAuth/OAuth1/Service/Xing.php
new file mode 100755
index 00000000..03e3357f
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Service/Xing.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace OAuth\OAuth1\Service;
+
+use OAuth\OAuth1\Signature\SignatureInterface;
+use OAuth\OAuth1\Token\StdOAuth1Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+
+class Xing extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        SignatureInterface $signature,
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $signature, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.xing.com/v1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://api.xing.com/v1/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.xing.com/v1/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getRequestTokenEndpoint()
+    {
+        return new Uri('https://api.xing.com/v1/request_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
+            throw new TokenResponseException('Error in retrieving token.');
+        }
+
+        return $this->parseAccessTokenResponse($responseBody);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth1Token();
+
+        $token->setRequestToken($data['oauth_token']);
+        $token->setRequestTokenSecret($data['oauth_token_secret']);
+        $token->setAccessToken($data['oauth_token']);
+        $token->setAccessTokenSecret($data['oauth_token_secret']);
+
+        $token->setEndOfLife(StdOAuth1Token::EOL_NEVER_EXPIRES);
+        unset($data['oauth_token'], $data['oauth_token_secret']);
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth1/Service/Yahoo.php b/vendor/OAuth/OAuth1/Service/Yahoo.php
new file mode 100755
index 00000000..cff291d4
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Service/Yahoo.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace OAuth\OAuth1\Service;
+
+use OAuth\OAuth1\Signature\SignatureInterface;
+use OAuth\OAuth1\Token\StdOAuth1Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+
+class Yahoo extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        SignatureInterface $signature,
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $signature, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://social.yahooapis.com/v1/');
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getRequestTokenEndpoint()
+    {
+        return new Uri('https://api.login.yahoo.com/oauth/v2/get_request_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://api.login.yahoo.com/oauth/v2/request_auth');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.login.yahoo.com/oauth/v2/get_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
+            throw new TokenResponseException('Error in retrieving token.');
+        }
+
+        return $this->parseAccessTokenResponse($responseBody);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth1Token();
+
+        $token->setRequestToken($data['oauth_token']);
+        $token->setRequestTokenSecret($data['oauth_token_secret']);
+        $token->setAccessToken($data['oauth_token']);
+        $token->setAccessTokenSecret($data['oauth_token_secret']);
+
+        $token->setEndOfLife(StdOAuth1Token::EOL_NEVER_EXPIRES);
+        unset($data['oauth_token'], $data['oauth_token_secret']);
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth1/Signature/Exception/UnsupportedHashAlgorithmException.php b/vendor/OAuth/OAuth1/Signature/Exception/UnsupportedHashAlgorithmException.php
new file mode 100755
index 00000000..44c36ce7
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Signature/Exception/UnsupportedHashAlgorithmException.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace OAuth\OAuth1\Signature\Exception;
+
+use OAuth\Common\Exception\Exception;
+
+/**
+ * Thrown when an unsupported hash mechanism is requested in signature class.
+ */
+class UnsupportedHashAlgorithmException extends Exception
+{
+}
diff --git a/vendor/OAuth/OAuth1/Signature/Signature.php b/vendor/OAuth/OAuth1/Signature/Signature.php
new file mode 100755
index 00000000..2e13eb37
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Signature/Signature.php
@@ -0,0 +1,132 @@
+<?php
+
+namespace OAuth\OAuth1\Signature;
+
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\OAuth1\Signature\Exception\UnsupportedHashAlgorithmException;
+
+class Signature implements SignatureInterface
+{
+    /**
+     * @var Credentials
+     */
+    protected $credentials;
+
+    /**
+     * @var string
+     */
+    protected $algorithm;
+
+    /**
+     * @var string
+     */
+    protected $tokenSecret = null;
+
+    /**
+     * @param CredentialsInterface $credentials
+     */
+    public function __construct(CredentialsInterface $credentials)
+    {
+        $this->credentials = $credentials;
+    }
+
+    /**
+     * @param string $algorithm
+     */
+    public function setHashingAlgorithm($algorithm)
+    {
+        $this->algorithm = $algorithm;
+    }
+
+    /**
+     * @param string $token
+     */
+    public function setTokenSecret($token)
+    {
+        $this->tokenSecret = $token;
+    }
+
+    /**
+     * @param UriInterface $uri
+     * @param array        $params
+     * @param string       $method
+     *
+     * @return string
+     */
+    public function getSignature(UriInterface $uri, array $params, $method = 'POST')
+    {
+        parse_str($uri->getQuery(), $queryStringData);
+
+        foreach (array_merge($queryStringData, $params) as $key => $value) {
+            $signatureData[rawurlencode($key)] = rawurlencode($value);
+        }
+
+        ksort($signatureData);
+
+        // determine base uri
+        $baseUri = $uri->getScheme() . '://' . $uri->getRawAuthority();
+
+        if ('/' === $uri->getPath()) {
+            $baseUri .= $uri->hasExplicitTrailingHostSlash() ? '/' : '';
+        } else {
+            $baseUri .= $uri->getPath();
+        }
+
+        $baseString = strtoupper($method) . '&';
+        $baseString .= rawurlencode($baseUri) . '&';
+        $baseString .= rawurlencode($this->buildSignatureDataString($signatureData));
+
+        return base64_encode($this->hash($baseString));
+    }
+
+    /**
+     * @param array $signatureData
+     *
+     * @return string
+     */
+    protected function buildSignatureDataString(array $signatureData)
+    {
+        $signatureString = '';
+        $delimiter = '';
+        foreach ($signatureData as $key => $value) {
+            $signatureString .= $delimiter . $key . '=' . $value;
+
+            $delimiter = '&';
+        }
+
+        return $signatureString;
+    }
+
+    /**
+     * @return string
+     */
+    protected function getSigningKey()
+    {
+        $signingKey = rawurlencode($this->credentials->getConsumerSecret()) . '&';
+        if ($this->tokenSecret !== null) {
+            $signingKey .= rawurlencode($this->tokenSecret);
+        }
+
+        return $signingKey;
+    }
+
+    /**
+     * @param string $data
+     *
+     * @return string
+     *
+     * @throws UnsupportedHashAlgorithmException
+     */
+    protected function hash($data)
+    {
+        switch (strtoupper($this->algorithm)) {
+            case 'HMAC-SHA1':
+                return hash_hmac('sha1', $data, $this->getSigningKey(), true);
+            default:
+                throw new UnsupportedHashAlgorithmException(
+                    'Unsupported hashing algorithm (' . $this->algorithm . ') used.'
+                );
+        }
+    }
+}
diff --git a/vendor/OAuth/OAuth1/Signature/SignatureInterface.php b/vendor/OAuth/OAuth1/Signature/SignatureInterface.php
new file mode 100755
index 00000000..da50ddb6
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Signature/SignatureInterface.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace OAuth\OAuth1\Signature;
+
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+interface SignatureInterface
+{
+    /**
+     * @param string $algorithm
+     */
+    public function setHashingAlgorithm($algorithm);
+
+    /**
+     * @param string $token
+     */
+    public function setTokenSecret($token);
+
+    /**
+     * @param UriInterface $uri
+     * @param array        $params
+     * @param string       $method
+     *
+     * @return string
+     */
+    public function getSignature(UriInterface $uri, array $params, $method = 'POST');
+}
diff --git a/vendor/OAuth/OAuth1/Token/StdOAuth1Token.php b/vendor/OAuth/OAuth1/Token/StdOAuth1Token.php
new file mode 100755
index 00000000..a12a7971
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Token/StdOAuth1Token.php
@@ -0,0 +1,75 @@
+<?php
+
+namespace OAuth\OAuth1\Token;
+
+use OAuth\Common\Token\AbstractToken;
+
+/**
+ * Standard OAuth1 token implementation.
+ * Implements OAuth\OAuth1\Token\TokenInterface in case of any OAuth1 specific features.
+ */
+class StdOAuth1Token extends AbstractToken implements TokenInterface
+{
+    /**
+     * @var string
+     */
+    protected $requestToken;
+
+    /**
+     * @var string
+     */
+    protected $requestTokenSecret;
+
+    /**
+     * @var string
+     */
+    protected $accessTokenSecret;
+
+    /**
+     * @param string $requestToken
+     */
+    public function setRequestToken($requestToken)
+    {
+        $this->requestToken = $requestToken;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRequestToken()
+    {
+        return $this->requestToken;
+    }
+
+    /**
+     * @param string $requestTokenSecret
+     */
+    public function setRequestTokenSecret($requestTokenSecret)
+    {
+        $this->requestTokenSecret = $requestTokenSecret;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRequestTokenSecret()
+    {
+        return $this->requestTokenSecret;
+    }
+
+    /**
+     * @param string $accessTokenSecret
+     */
+    public function setAccessTokenSecret($accessTokenSecret)
+    {
+        $this->accessTokenSecret = $accessTokenSecret;
+    }
+
+    /**
+     * @return string
+     */
+    public function getAccessTokenSecret()
+    {
+        return $this->accessTokenSecret;
+    }
+}
diff --git a/vendor/OAuth/OAuth1/Token/TokenInterface.php b/vendor/OAuth/OAuth1/Token/TokenInterface.php
new file mode 100755
index 00000000..0bc3f739
--- /dev/null
+++ b/vendor/OAuth/OAuth1/Token/TokenInterface.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace OAuth\OAuth1\Token;
+
+use OAuth\Common\Token\TokenInterface as BaseTokenInterface;
+
+/**
+ * OAuth1 specific token interface
+ */
+interface TokenInterface extends BaseTokenInterface
+{
+    /**
+     * @return string
+     */
+    public function getAccessTokenSecret();
+
+    /**
+     * @param string $accessTokenSecret
+     */
+    public function setAccessTokenSecret($accessTokenSecret);
+
+    /**
+     * @return string
+     */
+    public function getRequestTokenSecret();
+
+    /**
+     * @param string $requestTokenSecret
+     */
+    public function setRequestTokenSecret($requestTokenSecret);
+
+    /**
+     * @return string
+     */
+    public function getRequestToken();
+
+    /**
+     * @param string $requestToken
+     */
+    public function setRequestToken($requestToken);
+}
diff --git a/vendor/OAuth/OAuth2/Service/AbstractService.php b/vendor/OAuth/OAuth2/Service/AbstractService.php
new file mode 100755
index 00000000..57dc76f2
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/AbstractService.php
@@ -0,0 +1,333 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Exception\Exception;
+use OAuth\Common\Service\AbstractService as BaseAbstractService;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\OAuth2\Service\Exception\InvalidAuthorizationStateException;
+use OAuth\OAuth2\Service\Exception\InvalidScopeException;
+use OAuth\OAuth2\Service\Exception\MissingRefreshTokenException;
+use OAuth\Common\Token\TokenInterface;
+use OAuth\Common\Token\Exception\ExpiredTokenException;
+
+abstract class AbstractService extends BaseAbstractService implements ServiceInterface
+{
+    /** @const OAUTH_VERSION */
+    const OAUTH_VERSION = 2;
+
+    /** @var array */
+    protected $scopes;
+
+    /** @var UriInterface|null */
+    protected $baseApiUri;
+
+    /** @var bool */
+    protected $stateParameterInAuthUrl;
+
+    /**
+     * @param CredentialsInterface  $credentials
+     * @param ClientInterface       $httpClient
+     * @param TokenStorageInterface $storage
+     * @param array                 $scopes
+     * @param UriInterface|null     $baseApiUri
+     * @param bool $stateParameterInAutUrl
+     *
+     * @throws InvalidScopeException
+     */
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null,
+        $stateParameterInAutUrl = false
+    ) {
+        parent::__construct($credentials, $httpClient, $storage);
+        $this->stateParameterInAuthUrl = $stateParameterInAutUrl;
+
+        foreach ($scopes as $scope) {
+            if (!$this->isValidScope($scope)) {
+                throw new InvalidScopeException('Scope ' . $scope . ' is not valid for service ' . get_class($this));
+            }
+        }
+
+        $this->scopes = $scopes;
+
+        $this->baseApiUri = $baseApiUri;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationUri(array $additionalParameters = array())
+    {
+        $parameters = array_merge(
+            $additionalParameters,
+            array(
+                'type'          => 'web_server',
+                'client_id'     => $this->credentials->getConsumerId(),
+                'redirect_uri'  => $this->credentials->getCallbackUrl(),
+                'response_type' => 'code',
+            )
+        );
+
+        $parameters['scope'] = implode(' ', $this->scopes);
+
+        if ($this->needsStateParameterInAuthUrl()) {
+            if (!isset($parameters['state'])) {
+                $parameters['state'] = $this->generateAuthorizationState();
+            }
+            $this->storeAuthorizationState($parameters['state']);
+        }
+
+        // Build the url
+        $url = clone $this->getAuthorizationEndpoint();
+        foreach ($parameters as $key => $val) {
+            $url->addToQuery($key, $val);
+        }
+
+        return $url;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function requestAccessToken($code, $state = null)
+    {
+        if (null !== $state) {
+            $this->validateAuthorizationState($state);
+        }
+
+        $bodyParams = array(
+            'code'          => $code,
+            'client_id'     => $this->credentials->getConsumerId(),
+            'client_secret' => $this->credentials->getConsumerSecret(),
+            'redirect_uri'  => $this->credentials->getCallbackUrl(),
+            'grant_type'    => 'authorization_code',
+        );
+
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getAccessTokenEndpoint(),
+            $bodyParams,
+            $this->getExtraOAuthHeaders()
+        );
+
+        $token = $this->parseAccessTokenResponse($responseBody);
+        $this->storage->storeAccessToken($this->service(), $token);
+
+        return $token;
+    }
+
+    /**
+     * Sends an authenticated API request to the path provided.
+     * If the path provided is not an absolute URI, the base API Uri (must be passed into constructor) will be used.
+     *
+     * @param string|UriInterface $path
+     * @param string              $method       HTTP method
+     * @param array               $body         Request body if applicable.
+     * @param array               $extraHeaders Extra headers if applicable. These will override service-specific
+     *                                          any defaults.
+     *
+     * @return string
+     *
+     * @throws ExpiredTokenException
+     * @throws Exception
+     */
+    public function request($path, $method = 'GET', $body = null, array $extraHeaders = array())
+    {
+        $uri = $this->determineRequestUriFromPath($path, $this->baseApiUri);
+        $token = $this->storage->retrieveAccessToken($this->service());
+
+        if ($token->getEndOfLife() !== TokenInterface::EOL_NEVER_EXPIRES
+            && $token->getEndOfLife() !== TokenInterface::EOL_UNKNOWN
+            && time() > $token->getEndOfLife()
+        ) {
+            throw new ExpiredTokenException(
+                sprintf(
+                    'Token expired on %s at %s',
+                    date('m/d/Y', $token->getEndOfLife()),
+                    date('h:i:s A', $token->getEndOfLife())
+                )
+            );
+        }
+
+        // add the token where it may be needed
+        if (static::AUTHORIZATION_METHOD_HEADER_OAUTH === $this->getAuthorizationMethod()) {
+            $extraHeaders = array_merge(array('Authorization' => 'OAuth ' . $token->getAccessToken()), $extraHeaders);
+        } elseif (static::AUTHORIZATION_METHOD_QUERY_STRING === $this->getAuthorizationMethod()) {
+            $uri->addToQuery('access_token', $token->getAccessToken());
+        } elseif (static::AUTHORIZATION_METHOD_QUERY_STRING_V2 === $this->getAuthorizationMethod()) {
+            $uri->addToQuery('oauth2_access_token', $token->getAccessToken());
+        } elseif (static::AUTHORIZATION_METHOD_QUERY_STRING_V3 === $this->getAuthorizationMethod()) {
+            $uri->addToQuery('apikey', $token->getAccessToken());
+        } elseif (static::AUTHORIZATION_METHOD_HEADER_BEARER === $this->getAuthorizationMethod()) {
+            $extraHeaders = array_merge(array('Authorization' => 'Bearer ' . $token->getAccessToken()), $extraHeaders);
+        }
+
+        $extraHeaders = array_merge($this->getExtraApiHeaders(), $extraHeaders);
+
+        return $this->httpClient->retrieveResponse($uri, $body, $extraHeaders, $method);
+    }
+
+    /**
+     * Accessor to the storage adapter to be able to retrieve tokens
+     *
+     * @return TokenStorageInterface
+     */
+    public function getStorage()
+    {
+        return $this->storage;
+    }
+
+    /**
+     * Refreshes an OAuth2 access token.
+     *
+     * @param TokenInterface $token
+     *
+     * @return TokenInterface $token
+     *
+     * @throws MissingRefreshTokenException
+     */
+    public function refreshAccessToken(TokenInterface $token)
+    {
+        $refreshToken = $token->getRefreshToken();
+
+        if (empty($refreshToken)) {
+            throw new MissingRefreshTokenException();
+        }
+
+        $parameters = array(
+            'grant_type'    => 'refresh_token',
+            'type'          => 'web_server',
+            'client_id'     => $this->credentials->getConsumerId(),
+            'client_secret' => $this->credentials->getConsumerSecret(),
+            'refresh_token' => $refreshToken,
+        );
+
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getAccessTokenEndpoint(),
+            $parameters,
+            $this->getExtraOAuthHeaders()
+        );
+        $token = $this->parseAccessTokenResponse($responseBody);
+        $this->storage->storeAccessToken($this->service(), $token);
+
+        return $token;
+    }
+
+    /**
+     * Return whether or not the passed scope value is valid.
+     *
+     * @param string $scope
+     *
+     * @return bool
+     */
+    public function isValidScope($scope)
+    {
+        $reflectionClass = new \ReflectionClass(get_class($this));
+
+        return in_array($scope, $reflectionClass->getConstants(), true);
+    }
+
+    /**
+     * Check if the given service need to generate a unique state token to build the authorization url
+     *
+     * @return bool
+     */
+    public function needsStateParameterInAuthUrl()
+    {
+        return $this->stateParameterInAuthUrl;
+    }
+
+    /**
+     * Validates the authorization state against a given one
+     *
+     * @param string $state
+     * @throws InvalidAuthorizationStateException
+     */
+    protected function validateAuthorizationState($state)
+    {
+        if ($this->retrieveAuthorizationState() !== $state) {
+            throw new InvalidAuthorizationStateException();
+        }
+    }
+
+    /**
+     * Generates a random string to be used as state
+     *
+     * @return string
+     */
+    protected function generateAuthorizationState()
+    {
+        return md5(rand());
+    }
+
+    /**
+     * Retrieves the authorization state for the current service
+     *
+     * @return string
+     */
+    protected function retrieveAuthorizationState()
+    {
+        return $this->storage->retrieveAuthorizationState($this->service());
+    }
+
+    /**
+     * Stores a given authorization state into the storage
+     *
+     * @param string $state
+     */
+    protected function storeAuthorizationState($state)
+    {
+        $this->storage->storeAuthorizationState($this->service(), $state);
+    }
+
+    /**
+     * Return any additional headers always needed for this service implementation's OAuth calls.
+     *
+     * @return array
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array();
+    }
+
+    /**
+     * Return any additional headers always needed for this service implementation's API calls.
+     *
+     * @return array
+     */
+    protected function getExtraApiHeaders()
+    {
+        return array();
+    }
+
+    /**
+     * Parses the access token response and returns a TokenInterface.
+     *
+     * @abstract
+     *
+     * @param string $responseBody
+     *
+     * @return TokenInterface
+     *
+     * @throws TokenResponseException
+     */
+    abstract protected function parseAccessTokenResponse($responseBody);
+
+    /**
+     * Returns a class constant from ServiceInterface defining the authorization method used for the API
+     * Header is the sane default.
+     *
+     * @return int
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_OAUTH;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Amazon.php b/vendor/OAuth/OAuth2/Service/Amazon.php
new file mode 100755
index 00000000..035d1a55
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Amazon.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Amazon service.
+ *
+ * @author Flávio Heleno <flaviohbatista@gmail.com>
+ * @link https://images-na.ssl-images-amazon.com/images/G/01/lwa/dev/docs/website-developer-guide._TTH_.pdf
+ */
+class Amazon extends AbstractService
+{
+    /**
+     * Defined scopes
+     * @link https://images-na.ssl-images-amazon.com/images/G/01/lwa/dev/docs/website-developer-guide._TTH_.pdf
+     */
+    const SCOPE_PROFILE     = 'profile';
+    const SCOPE_POSTAL_CODE = 'postal_code';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.amazon.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.amazon.com/ap/oa');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://www.amazon.com/ap/oatoken');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error_description'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error_description'] . '"');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Bitly.php b/vendor/OAuth/OAuth2/Service/Bitly.php
new file mode 100755
index 00000000..e01cbc42
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Bitly.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Bitly extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api-ssl.bitly.com/v3/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://bitly.com/oauth/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api-ssl.bitly.com/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        // I'm invincible!!!
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function requestAccessToken($code, $state = null)
+    {
+        if (null !== $state) {
+            $this->validateAuthorizationState($state);
+        }
+
+        $bodyParams = array(
+            'code'          => $code,
+            'client_id'     => $this->credentials->getConsumerId(),
+            'client_secret' => $this->credentials->getConsumerSecret(),
+            'redirect_uri'  => $this->credentials->getCallbackUrl(),
+            'grant_type'    => 'authorization_code',
+        );
+
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getAccessTokenEndpoint(),
+            $bodyParams,
+            $this->getExtraOAuthHeaders()
+        );
+
+        // we can scream what we want that we want bitly to return a json encoded string (format=json), but the
+        // WOAH WATCH YOUR LANGUAGE ;) service doesn't seem to like screaming, hence we need to manually
+        // parse the result
+        $parsedResult = array();
+        parse_str($responseBody, $parsedResult);
+
+        $token = $this->parseAccessTokenResponse(json_encode($parsedResult));
+        $this->storage->storeAccessToken($this->service(), $token);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Box.php b/vendor/OAuth/OAuth2/Service/Box.php
new file mode 100755
index 00000000..14696c59
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Box.php
@@ -0,0 +1,88 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Box service.
+ *
+ * @author Antoine Corcy <contact@sbin.dk>
+ * @link https://developers.box.com/oauth/
+ */
+class Box extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri, true);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.box.com/2.0/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.box.com/api/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://www.box.com/api/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Dailymotion.php b/vendor/OAuth/OAuth2/Service/Dailymotion.php
new file mode 100755
index 00000000..095a467f
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Dailymotion.php
@@ -0,0 +1,129 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Dailymotion service.
+ *
+ * @author Mouhamed SEYE <mouhamed@seye.pro>
+ * @link http://www.dailymotion.com/doc/api/authentication.html
+ */
+class Dailymotion extends AbstractService
+{
+    /**
+     * Scopes
+     *
+     * @var string
+     */
+    const SCOPE_EMAIL         = 'email',
+          SCOPE_PROFILE       = 'userinfo',
+          SCOPE_VIDEOS        = 'manage_videos',
+          SCOPE_COMMENTS      = 'manage_comments',
+          SCOPE_PLAYLIST      = 'manage_playlists',
+          SCOPE_TILES         = 'manage_tiles',
+          SCOPE_SUBSCRIPTIONS = 'manage_subscriptions',
+          SCOPE_FRIENDS       = 'manage_friends',
+          SCOPE_FAVORITES     = 'manage_favorites',
+          SCOPE_GROUPS        = 'manage_groups';
+
+    /**
+     * Dialog form factors
+     *
+     * @var string
+     */
+    const DISPLAY_PAGE   = 'page',
+          DISPLAY_POPUP  = 'popup',
+          DISPLAY_MOBILE = 'mobile';
+
+    /**
+    * {@inheritdoc}
+    */
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.dailymotion.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://api.dailymotion.com/oauth/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.dailymotion.com/oauth/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_OAUTH;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error_description']) || isset($data['error'])) {
+            throw new TokenResponseException(
+                sprintf(
+                    'Error in retrieving token: "%s"',
+                    isset($data['error_description']) ? $data['error_description'] : $data['error']
+                )
+            );
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array('Accept' => 'application/json');
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Dropbox.php b/vendor/OAuth/OAuth2/Service/Dropbox.php
new file mode 100755
index 00000000..43ec6c7f
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Dropbox.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Dropbox service.
+ *
+ * @author Flávio Heleno <flaviohbatista@gmail.com>
+ * @link https://www.dropbox.com/developers/core/docs
+ */
+class Dropbox extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.dropbox.com/1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationUri(array $additionalParameters = array())
+    {
+        $parameters = array_merge(
+            $additionalParameters,
+            array(
+                'client_id'     => $this->credentials->getConsumerId(),
+                'redirect_uri'  => $this->credentials->getCallbackUrl(),
+                'response_type' => 'code',
+            )
+        );
+
+        $parameters['scope'] = implode(' ', $this->scopes);
+
+        // Build the url
+        $url = clone $this->getAuthorizationEndpoint();
+        foreach ($parameters as $key => $val) {
+            $url->addToQuery($key, $val);
+        }
+
+        return $url;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.dropbox.com/1/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.dropbox.com/1/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Exception/InvalidAccessTypeException.php b/vendor/OAuth/OAuth2/Service/Exception/InvalidAccessTypeException.php
new file mode 100755
index 00000000..398df2fd
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Exception/InvalidAccessTypeException.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace OAuth\OAuth2\Service\Exception;
+
+use OAuth\Common\Exception\Exception;
+
+/**
+ * Exception thrown when an invalid accessType for the Google Service is specified
+ */
+class InvalidAccessTypeException extends Exception
+{
+}
diff --git a/vendor/OAuth/OAuth2/Service/Exception/InvalidAuthorizationStateException.php b/vendor/OAuth/OAuth2/Service/Exception/InvalidAuthorizationStateException.php
new file mode 100755
index 00000000..fe9d550a
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Exception/InvalidAuthorizationStateException.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace OAuth\OAuth2\Service\Exception;
+
+/**
+ * Exception thrown when the state parameter received during the authorization process is invalid.
+ */
+class InvalidAuthorizationStateException extends \Exception
+{
+}
diff --git a/vendor/OAuth/OAuth2/Service/Exception/InvalidScopeException.php b/vendor/OAuth/OAuth2/Service/Exception/InvalidScopeException.php
new file mode 100755
index 00000000..c6a51c88
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Exception/InvalidScopeException.php
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * @author David Desberg <david@daviddesberg.com>
+ * Released under the MIT license.
+ */
+
+namespace OAuth\OAuth2\Service\Exception;
+
+use OAuth\Common\Exception\Exception;
+
+/**
+ * Exception thrown when a scope provided to a service is invalid.
+ */
+class InvalidScopeException extends Exception
+{
+}
diff --git a/vendor/OAuth/OAuth2/Service/Exception/MissingRefreshTokenException.php b/vendor/OAuth/OAuth2/Service/Exception/MissingRefreshTokenException.php
new file mode 100755
index 00000000..21eece6a
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Exception/MissingRefreshTokenException.php
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * @author David Desberg <david@daviddesberg.com>
+ * Released under the MIT license.
+ */
+
+namespace OAuth\OAuth2\Service\Exception;
+
+use OAuth\Common\Exception\Exception;
+
+/**
+ * Exception thrown when service is requested to refresh the access token but no refresh token can be found.
+ */
+class MissingRefreshTokenException extends Exception
+{
+}
diff --git a/vendor/OAuth/OAuth2/Service/Facebook.php b/vendor/OAuth/OAuth2/Service/Facebook.php
new file mode 100755
index 00000000..80b25c05
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Facebook.php
@@ -0,0 +1,193 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\Common\Exception\Exception;
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Facebook extends AbstractService
+{
+    /**
+     * Facebook www url - used to build dialog urls
+     */
+    const WWW_URL = 'https://www.facebook.com/';
+
+    /**
+     * Defined scopes
+     *
+     * If you don't think this is scary you should not be allowed on the web at all
+     *
+     * @link https://developers.facebook.com/docs/reference/login/
+     * @link https://developers.facebook.com/tools/explorer For a list of permissions use 'Get Access Token'
+     */
+    // email scopes
+    const SCOPE_EMAIL                         = 'email';
+    // extended permissions
+    const SCOPE_READ_FRIENDLIST               = 'read_friendlists';
+    const SCOPE_READ_INSIGHTS                 = 'read_insights';
+    const SCOPE_READ_MAILBOX                  = 'read_mailbox';
+    const SCOPE_READ_PAGE_MAILBOXES           = 'read_page_mailboxes';
+    const SCOPE_READ_REQUESTS                 = 'read_requests';
+    const SCOPE_READ_STREAM                   = 'read_stream';
+    const SCOPE_VIDEO_UPLOAD                  = 'video_upload';
+    const SCOPE_XMPP_LOGIN                    = 'xmpp_login';
+    const SCOPE_USER_ONLINE_PRESENCE          = 'user_online_presence';
+    const SCOPE_FRIENDS_ONLINE_PRESENCE       = 'friends_online_presence';
+    const SCOPE_ADS_MANAGEMENT                = 'ads_management';
+    const SCOPE_ADS_READ                      = 'ads_read';
+    const SCOPE_CREATE_EVENT                  = 'create_event';
+    const SCOPE_CREATE_NOTE                   = 'create_note';
+    const SCOPE_EXPORT_STREAM                 = 'export_stream';
+    const SCOPE_MANAGE_FRIENDLIST             = 'manage_friendlists';
+    const SCOPE_MANAGE_NOTIFICATIONS          = 'manage_notifications';
+    const SCOPE_PHOTO_UPLOAD                  = 'photo_upload';
+    const SCOPE_PUBLISH_ACTIONS               = 'publish_actions';
+    const SCOPE_PUBLISH_CHECKINS              = 'publish_checkins';
+    const SCOPE_PUBLISH_STREAM                = 'publish_stream';
+    const SCOPE_RSVP_EVENT                    = 'rsvp_event';
+    const SCOPE_SHARE_ITEM                    = 'share_item';
+    const SCOPE_SMS                           = 'sms';
+    const SCOPE_STATUS_UPDATE                 = 'status_update';
+    // Extended Profile Properties
+    const SCOPE_USER_FRIENDS                  = 'user_friends';
+    const SCOPE_USER_ABOUT                    = 'user_about_me';
+    const SCOPE_FRIENDS_ABOUT                 = 'friends_about_me';
+    const SCOPE_USER_ACTIVITIES               = 'user_activities';
+    const SCOPE_FRIENDS_ACTIVITIES            = 'friends_activities';
+    const SCOPE_USER_BIRTHDAY                 = 'user_birthday';
+    const SCOPE_FRIENDS_BIRTHDAY              = 'friends_birthday';
+    const SCOPE_USER_CHECKINS                 = 'user_checkins';
+    const SCOPE_FRIENDS_CHECKINS              = 'friends_checkins';
+    const SCOPE_USER_EDUCATION                = 'user_education_history';
+    const SCOPE_FRIENDS_EDUCATION             = 'friends_education_history';
+    const SCOPE_USER_EVENTS                   = 'user_events';
+    const SCOPE_FRIENDS_EVENTS                = 'friends_events';
+    const SCOPE_USER_GROUPS                   = 'user_groups';
+    const SCOPE_FRIENDS_GROUPS                = 'friends_groups';
+    const SCOPE_USER_HOMETOWN                 = 'user_hometown';
+    const SCOPE_FRIENDS_HOMETOWN              = 'friends_hometown';
+    const SCOPE_USER_INTERESTS                = 'user_interests';
+    const SCOPE_FRIEND_INTERESTS              = 'friends_interests';
+    const SCOPE_USER_LIKES                    = 'user_likes';
+    const SCOPE_FRIENDS_LIKES                 = 'friends_likes';
+    const SCOPE_USER_LOCATION                 = 'user_location';
+    const SCOPE_FRIENDS_LOCATION              = 'friends_location';
+    const SCOPE_USER_NOTES                    = 'user_notes';
+    const SCOPE_FRIENDS_NOTES                 = 'friends_notes';
+    const SCOPE_USER_PHOTOS                   = 'user_photos';
+    const SCOPE_USER_PHOTO_VIDEO_TAGS         = 'user_photo_video_tags';
+    const SCOPE_FRIENDS_PHOTOS                = 'friends_photos';
+    const SCOPE_FRIENDS_PHOTO_VIDEO_TAGS      = 'friends_photo_video_tags';
+    const SCOPE_USER_QUESTIONS                = 'user_questions';
+    const SCOPE_FRIENDS_QUESTIONS             = 'friends_questions';
+    const SCOPE_USER_RELATIONSHIPS            = 'user_relationships';
+    const SCOPE_FRIENDS_RELATIONSHIPS         = 'friends_relationships';
+    const SCOPE_USER_RELATIONSHIPS_DETAILS    = 'user_relationship_details';
+    const SCOPE_FRIENDS_RELATIONSHIPS_DETAILS = 'friends_relationship_details';
+    const SCOPE_USER_RELIGION                 = 'user_religion_politics';
+    const SCOPE_FRIENDS_RELIGION              = 'friends_religion_politics';
+    const SCOPE_USER_STATUS                   = 'user_status';
+    const SCOPE_FRIENDS_STATUS                = 'friends_status';
+    const SCOPE_USER_SUBSCRIPTIONS            = 'user_subscriptions';
+    const SCOPE_FRIENDS_SUBSCRIPTIONS         = 'friends_subscriptions';
+    const SCOPE_USER_VIDEOS                   = 'user_videos';
+    const SCOPE_FRIENDS_VIDEOS                = 'friends_videos';
+    const SCOPE_USER_WEBSITE                  = 'user_website';
+    const SCOPE_FRIENDS_WEBSITE               = 'friends_website';
+    const SCOPE_USER_WORK                     = 'user_work_history';
+    const SCOPE_FRIENDS_WORK                  = 'friends_work_history';
+    // Open Graph Permissions
+    const SCOPE_USER_MUSIC                    = 'user_actions.music';
+    const SCOPE_FRIENDS_MUSIC                 = 'friends_actions.music';
+    const SCOPE_USER_NEWS                     = 'user_actions.news';
+    const SCOPE_FRIENDS_NEWS                  = 'friends_actions.news';
+    const SCOPE_USER_VIDEO                    = 'user_actions.video';
+    const SCOPE_FRIENDS_VIDEO                 = 'friends_actions.video';
+    const SCOPE_USER_APP                      = 'user_actions:APP_NAMESPACE';
+    const SCOPE_FRIENDS_APP                   = 'friends_actions:APP_NAMESPACE';
+    const SCOPE_USER_GAMES                    = 'user_games_activity';
+    const SCOPE_FRIENDS_GAMES                 = 'friends_games_activity';
+    //Page Permissions
+    const SCOPE_PAGES                         = 'manage_pages';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://graph.facebook.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.facebook.com/dialog/oauth');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://graph.facebook.com/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        // Facebook gives us a query string ... Oh wait. JSON is too simple, understand ?
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        
+        if (isset($data['expires'])) {
+            $token->setLifeTime($data['expires']);
+        }
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    public function getDialogUri($dialogPath, array $parameters)
+    {
+        if (!isset($parameters['redirect_uri'])) {
+            throw new Exception("Redirect uri is mandatory for this request");
+        }
+        $parameters['app_id'] = $this->credentials->getConsumerId();
+        $baseUrl = self::WWW_URL . 'dialog/' . $dialogPath;
+        $query = http_build_query($parameters);
+        return new Uri($baseUrl . '?' . $query);
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Foursquare.php b/vendor/OAuth/OAuth2/Service/Foursquare.php
new file mode 100755
index 00000000..fdbabf98
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Foursquare.php
@@ -0,0 +1,81 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Foursquare extends AbstractService
+{
+    private $apiVersionDate = '20130829';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.foursquare.com/v2/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://foursquare.com/oauth2/authenticate');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://foursquare.com/oauth2/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        // Foursquare tokens evidently never expire...
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function request($path, $method = 'GET', $body = null, array $extraHeaders = array())
+    {
+        $uri = new Uri($this->baseApiUri . $path);
+        $uri->addToQuery('v', $this->apiVersionDate);
+
+        return parent::request($uri, $method, $body, $extraHeaders);
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/GitHub.php b/vendor/OAuth/OAuth2/Service/GitHub.php
new file mode 100755
index 00000000..3791a275
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/GitHub.php
@@ -0,0 +1,171 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class GitHub extends AbstractService
+{
+    /**
+     * Defined scopes, see http://developer.github.com/v3/oauth/ for definitions.
+     */
+
+    /**
+     * Public read-only access (includes public user profile info, public repo info, and gists)
+     */
+    const SCOPE_READONLY = '';
+
+    /**
+     * Read/write access to profile info only.
+     *
+     * Includes SCOPE_USER_EMAIL and SCOPE_USER_FOLLOW.
+     */
+    const SCOPE_USER = 'user';
+
+    /**
+     * Read access to a user’s email addresses.
+     */
+    const SCOPE_USER_EMAIL = 'user:email';
+
+    /**
+     * Access to follow or unfollow other users.
+     */
+    const SCOPE_USER_FOLLOW = 'user:follow';
+
+    /**
+     * Read/write access to public repos and organizations.
+     */
+    const SCOPE_PUBLIC_REPO = 'public_repo';
+
+    /**
+     * Read/write access to public and private repos and organizations.
+     *
+     * Includes SCOPE_REPO_STATUS.
+     */
+    const SCOPE_REPO = 'repo';
+
+    /**
+     * Read/write access to public and private repository commit statuses. This scope is only necessary to grant other
+     * users or services access to private repository commit statuses without granting access to the code. The repo and
+     * public_repo scopes already include access to commit status for private and public repositories, respectively.
+     */
+    const SCOPE_REPO_STATUS = 'repo:status';
+
+    /**
+     * Delete access to adminable repositories.
+     */
+    const SCOPE_DELETE_REPO = 'delete_repo';
+
+    /**
+     * Read access to a user’s notifications. repo is accepted too.
+     */
+    const SCOPE_NOTIFICATIONS = 'notifications';
+
+    /**
+     * Write access to gists.
+     */
+    const SCOPE_GIST = 'gist';
+    
+    /**
+     * Grants read and ping access to hooks in public or private repositories.
+     */
+    const SCOPE_HOOKS_READ = 'read:repo_hook';
+    
+    /**
+     * Grants read, write, and ping access to hooks in public or private repositories.
+     */
+    const SCOPE_HOOKS_WRITE = 'write:repo_hook';
+    
+    /**
+     * Grants read, write, ping, and delete access to hooks in public or private repositories.
+     */
+    const SCOPE_HOOKS_ADMIN = 'admin:repo_hook';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.github.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://github.com/login/oauth/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://github.com/login/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        // Github tokens evidently never expire...
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * Used to configure response type -- we want JSON from github, default is query string format
+     *
+     * @return array
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array('Accept' => 'application/json');
+    }
+
+    /**
+     * Required for GitHub API calls.
+     *
+     * @return array
+     */
+    protected function getExtraApiHeaders()
+    {
+        return array('Accept' => 'application/vnd.github.beta+json');
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Google.php b/vendor/OAuth/OAuth2/Service/Google.php
new file mode 100755
index 00000000..fbfc1f29
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Google.php
@@ -0,0 +1,152 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\OAuth2\Service\Exception\InvalidAccessTypeException;
+use OAuth\Common\Http\Uri\Uri;
+
+class Google extends AbstractService
+{
+    /**
+     * Defined scopes - More scopes are listed here:
+     * https://developers.google.com/oauthplayground/
+     *
+     * Make a pull request if you need more scopes.
+     */
+
+    // Basic
+    const SCOPE_EMAIL                       = 'email';
+    const SCOPE_PROFILE                     = 'profile';
+
+    const SCOPE_USERINFO_EMAIL              = 'https://www.googleapis.com/auth/userinfo.email';
+    const SCOPE_USERINFO_PROFILE            = 'https://www.googleapis.com/auth/userinfo.profile';
+
+    // Google+
+    const SCOPE_GPLUS_ME                    = 'https://www.googleapis.com/auth/plus.me';
+    const SCOPE_GPLUS_LOGIN                 = 'https://www.googleapis.com/auth/plus.login';
+
+    // Google Drive
+    const SCOPE_DOCUMENTSLIST               = 'https://docs.google.com/feeds/';
+    const SCOPE_SPREADSHEETS                = 'https://spreadsheets.google.com/feeds/';
+    const SCOPE_GOOGLEDRIVE                 = 'https://www.googleapis.com/auth/drive';
+    const SCOPE_DRIVE_APPS                  = 'https://www.googleapis.com/auth/drive.appdata';
+    const SCOPE_DRIVE_APPS_READ_ONLY        = 'https://www.googleapis.com/auth/drive.apps.readonly';
+    const SCOPE_GOOGLEDRIVE_FILES           = 'https://www.googleapis.com/auth/drive.file';
+    const SCOPE_DRIVE_METADATA_READ_ONLY    = 'https://www.googleapis.com/auth/drive.metadata.readonly';
+    const SCOPE_DRIVE_READ_ONLY             = 'https://www.googleapis.com/auth/drive.readonly';
+    const SCOPE_DRIVE_SCRIPTS               = 'https://www.googleapis.com/auth/drive.scripts';
+
+    // Adwords
+    const SCOPE_ADSENSE                     = 'https://www.googleapis.com/auth/adsense';
+    const SCOPE_ADWORDS                     = 'https://adwords.google.com/api/adwords/';
+    const SCOPE_GAN                         = 'https://www.googleapis.com/auth/gan'; // google affiliate network...?
+
+    // Google Analytics
+    const SCOPE_ANALYTICS                   = 'https://www.googleapis.com/auth/analytics';
+    const SCOPE_ANALYTICS_EDIT              = 'https://www.googleapis.com/auth/analytics.edit';
+    const SCOPE_ANALYTICS_MANAGE_USERS      = 'https://www.googleapis.com/auth/analytics.manage.users';
+    const SCOPE_ANALYTICS_READ_ONLY         = 'https://www.googleapis.com/auth/analytics.readonly';
+
+    // Other services
+    const SCOPE_BOOKS                       = 'https://www.googleapis.com/auth/books';
+    const SCOPE_BLOGGER                     = 'https://www.googleapis.com/auth/blogger';
+    const SCOPE_CALENDAR                    = 'https://www.googleapis.com/auth/calendar';
+    const SCOPE_CALENDAR_READ_ONLY          = 'https://www.googleapis.com/auth/calendar.readonly';
+    const SCOPE_CONTACT                     = 'https://www.google.com/m8/feeds/';
+    const SCOPE_CHROMEWEBSTORE              = 'https://www.googleapis.com/auth/chromewebstore.readonly';
+    const SCOPE_GMAIL                       = 'https://mail.google.com/mail/feed/atom';
+    const SCOPE_PICASAWEB                   = 'https://picasaweb.google.com/data/';
+    const SCOPE_SITES                       = 'https://sites.google.com/feeds/';
+    const SCOPE_URLSHORTENER                = 'https://www.googleapis.com/auth/urlshortener';
+    const SCOPE_WEBMASTERTOOLS              = 'https://www.google.com/webmasters/tools/feeds/';
+    const SCOPE_TASKS                       = 'https://www.googleapis.com/auth/tasks';
+
+    // Cloud services
+    const SCOPE_CLOUDSTORAGE                = 'https://www.googleapis.com/auth/devstorage.read_write';
+    const SCOPE_CONTENTFORSHOPPING          = 'https://www.googleapis.com/auth/structuredcontent'; // what even is this
+    const SCOPE_USER_PROVISIONING           = 'https://apps-apis.google.com/a/feeds/user/';
+    const SCOPE_GROUPS_PROVISIONING         = 'https://apps-apis.google.com/a/feeds/groups/';
+    const SCOPE_NICKNAME_PROVISIONING       = 'https://apps-apis.google.com/a/feeds/alias/';
+
+    // Old
+    const SCOPE_ORKUT                       = 'https://www.googleapis.com/auth/orkut';
+    const SCOPE_GOOGLELATITUDE =
+        'https://www.googleapis.com/auth/latitude.all.best https://www.googleapis.com/auth/latitude.all.city';
+    const SCOPE_OPENID                      = 'openid';
+
+    // YouTube
+    const SCOPE_YOUTUBE_GDATA               = 'https://gdata.youtube.com';
+    const SCOPE_YOUTUBE_ANALYTICS_MONETARY  = 'https://www.googleapis.com/auth/yt-analytics-monetary.readonly';
+    const SCOPE_YOUTUBE_ANALYTICS           = 'https://www.googleapis.com/auth/yt-analytics.readonly';
+    const SCOPE_YOUTUBE                     = 'https://www.googleapis.com/auth/youtube';
+    const SCOPE_YOUTUBE_READ_ONLY           = 'https://www.googleapis.com/auth/youtube.readonly';
+    const SCOPE_YOUTUBE_UPLOAD              = 'https://www.googleapis.com/auth/youtube.upload';
+    const SCOPE_YOUTUBE_PATNER              = 'https://www.googleapis.com/auth/youtubepartner';
+    const SCOPE_YOUTUBE_PARTNER_EDIT        = 'https://www.googleapis.com/auth/youtubepartner-channel-edit';
+
+    // Google Glass
+    const SCOPE_GLASS_TIMELINE              = 'https://www.googleapis.com/auth/glass.timeline';
+    const SCOPE_GLASS_LOCATION              = 'https://www.googleapis.com/auth/glass.location';
+
+    // Android Publisher
+    const SCOPE_ANDROID_PUBLISHER           = 'https://www.googleapis.com/auth/androidpublisher';
+
+    protected $accessType = 'online';
+
+
+    public function setAccessType($accessType)
+    {
+        if (!in_array($accessType, array('online', 'offline'), true)) {
+            throw new InvalidAccessTypeException('Invalid accessType, expected either online or offline');
+        }
+        $this->accessType = $accessType;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://accounts.google.com/o/oauth2/auth?access_type=' . $this->accessType);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://accounts.google.com/o/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifetime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Harvest.php b/vendor/OAuth/OAuth2/Service/Harvest.php
new file mode 100755
index 00000000..86e8993c
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Harvest.php
@@ -0,0 +1,85 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Harvest extends AbstractService
+{
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.github.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://api.harvestapp.com/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.harvestapp.com/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || ! is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setEndOfLife($data['expires_in']);
+
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * @return array
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array('Accept' => 'application/json');
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Heroku.php b/vendor/OAuth/OAuth2/Service/Heroku.php
new file mode 100755
index 00000000..470cedc3
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Heroku.php
@@ -0,0 +1,123 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Heroku service.
+ *
+ * @author Thomas Welton <thomaswelton@me.com>
+ * @link https://devcenter.heroku.com/articles/oauth
+ */
+class Heroku extends AbstractService
+{
+    /**
+     * Defined scopes
+     * @link https://devcenter.heroku.com/articles/oauth#scopes
+     */
+    const SCOPE_GLOBAL          = 'global';
+    const SCOPE_IDENTITY        = 'identity';
+    const SCOPE_READ            = 'read';
+    const SCOPE_WRITE           = 'write';
+    const SCOPE_READ_PROTECTED  = 'read-protected';
+    const SCOPE_WRITE_PROTECTED = 'write-protected';
+
+    /**
+    * {@inheritdoc}
+    */
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.heroku.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://id.heroku.com/oauth/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://id.heroku.com/oauth/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error_description']) || isset($data['error'])) {
+            throw new TokenResponseException(
+                sprintf(
+                    'Error in retrieving token: "%s"',
+                    isset($data['error_description']) ? $data['error_description'] : $data['error']
+                )
+            );
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array('Accept' => 'application/vnd.heroku+json; version=3');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExtraApiHeaders()
+    {
+        return array('Accept' => 'application/vnd.heroku+json; version=3', 'Content-Type' => 'application/json');
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Instagram.php b/vendor/OAuth/OAuth2/Service/Instagram.php
new file mode 100755
index 00000000..49e9c8c9
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Instagram.php
@@ -0,0 +1,85 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Instagram extends AbstractService
+{
+    /**
+     * Defined scopes
+     * @link http://instagram.com/developer/authentication/#scope
+     */
+    const SCOPE_BASIC         = 'basic';
+    const SCOPE_COMMENTS      = 'comments';
+    const SCOPE_RELATIONSHIPS = 'relationships';
+    const SCOPE_LIKES         = 'likes';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.instagram.com/v1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://api.instagram.com/oauth/authorize/');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.instagram.com/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        // Instagram tokens evidently never expire...
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Linkedin.php b/vendor/OAuth/OAuth2/Service/Linkedin.php
new file mode 100755
index 00000000..bb801e6a
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Linkedin.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Linkedin service.
+ *
+ * @author Antoine Corcy <contact@sbin.dk>
+ * @link http://developer.linkedin.com/documents/authentication
+ */
+class Linkedin extends AbstractService
+{
+    /**
+     * Defined scopes
+     * @link http://developer.linkedin.com/documents/authentication#granting
+     */
+    const SCOPE_R_BASICPROFILE      = 'r_basicprofile';
+    const SCOPE_R_FULLPROFILE       = 'r_fullprofile';
+    const SCOPE_R_EMAILADDRESS      = 'r_emailaddress';
+    const SCOPE_R_NETWORK           = 'r_network';
+    const SCOPE_R_CONTACTINFO       = 'r_contactinfo';
+    const SCOPE_RW_NUS              = 'rw_nus';
+    const SCOPE_RW_COMPANY_ADMIN    = 'rw_company_admin';
+    const SCOPE_RW_GROUPS           = 'rw_groups';
+    const SCOPE_W_MESSAGES          = 'w_messages';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri, true);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.linkedin.com/v1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.linkedin.com/uas/oauth2/authorization');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://www.linkedin.com/uas/oauth2/accessToken');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING_V2;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Mailchimp.php b/vendor/OAuth/OAuth2/Service/Mailchimp.php
new file mode 100755
index 00000000..42abd3c1
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Mailchimp.php
@@ -0,0 +1,115 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Mailchimp extends AbstractService
+{
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (is_null($this->baseApiUri) && $storage->hasAccessToken($this->service())) {
+            $this->setBaseApiUri($storage->retrieveAccessToken($this->service()));
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING_V3;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://login.mailchimp.com/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://login.mailchimp.com/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        // Parse JSON
+        $data = json_decode($responseBody, true);
+
+        // Do validation.
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        // Create token object.
+        $token = new StdOAuth2Token($data['access_token']);
+
+        // Set the right API endpoint.
+        $this->setBaseApiUri($token);
+
+        // Mailchimp tokens evidently never expire...
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function request($path, $method = 'GET', $body = null, array $extraHeaders = array())
+    {
+        if (is_null($this->baseApiUri)) {
+            $this->setBaseApiUri($this->storage->retrieveAccessToken($this->service()));
+        }
+
+        return parent::request($path, $method, $body, $extraHeaders);
+    }
+
+    /**
+     * Set the right base endpoint.
+     * 
+     * @param StdOAuth2Token $token
+     */
+    protected function setBaseApiUri(StdOAuth2Token $token)
+    {
+        // Make request uri.
+        $endpoint = 'https://login.mailchimp.com/oauth2/metadata?oauth_token='. $token->getAccessToken();
+
+        // Grab meta data about the token.
+        $response = $this->httpClient->retrieveResponse(new Uri($endpoint), array(), array(), 'GET');
+
+        // Parse JSON.
+        $meta = json_decode($response, true);
+
+        // Set base api uri.
+        $this->baseApiUri = new Uri('https://'. $meta['dc'] .'.api.mailchimp.com/2.0/');
+
+        // Allow chaining.
+        return $this;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Microsoft.php b/vendor/OAuth/OAuth2/Service/Microsoft.php
new file mode 100755
index 00000000..183ef452
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Microsoft.php
@@ -0,0 +1,119 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Microsoft extends AbstractService
+{
+    const SCOPE_BASIC = 'wl.basic';
+    const SCOPE_OFFLINE = 'wl.offline_access';
+    const SCOPE_SIGNIN = 'wl.signin';
+    const SCOPE_BIRTHDAY = 'wl.birthday';
+    const SCOPE_CALENDARS = 'wl.calendars';
+    const SCOPE_CALENDARS_UPDATE = 'wl.calendars_update';
+    const SCOPE_CONTACTS_BIRTHDAY = 'wl.contacts_birthday';
+    const SCOPE_CONTACTS_CREATE = 'wl.contacts_create';
+    const SCOPE_CONTACTS_CALENDARS = 'wl.contacts_calendars';
+    const SCOPE_CONTACTS_PHOTOS = 'wl.contacts_photos';
+    const SCOPE_CONTACTS_SKYDRIVE = 'wl.contacts_skydrive';
+    const SCOPE_EMAILS = 'wl.emails';
+    const SCOPE_EVENTS_CREATE = 'wl.events_create';
+    const SCOPE_MESSENGER = 'wl.messenger';
+    const SCOPE_PHONE_NUMBERS = 'wl.phone_numbers';
+    const SCOPE_PHOTOS = 'wl.photos';
+    const SCOPE_POSTAL_ADDRESSES = 'wl.postal_addresses';
+    const SCOPE_SHARE = 'wl.share';
+    const SCOPE_SKYDRIVE = 'wl.skydrive';
+    const SCOPE_SKYDRIVE_UPDATE = 'wl.skydrive_update';
+    const SCOPE_WORK_PROFILE = 'wl.work_profile';
+    const SCOPE_APPLICATIONS = 'wl.applications';
+    const SCOPE_APPLICATIONS_CREATE = 'wl.applications_create';
+
+    /**
+     * MS uses some magical not officialy supported scope to get even moar info like full emailaddresses.
+     * They agree that giving 3rd party apps access to 3rd party emailaddresses is a pretty lame thing to do so in all
+     * their wisdom they added this scope because fuck you that's why.
+     *
+     * https://github.com/Lusitanian/PHPoAuthLib/issues/214
+     * http://social.msdn.microsoft.com/Forums/live/en-US/c6dcb9ab-aed4-400a-99fb-5650c393a95d/how-retrieve-users-
+     *                                  contacts-email-address?forum=messengerconnect
+     *
+     * Considering this scope is not officially supported: use with care
+     */
+    const SCOPE_CONTACTS_EMAILS = 'wl.contacts_emails';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://apis.live.net/v5.0/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://login.live.com/oauth20_authorize.srf');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://login.live.com/oauth20_token.srf');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifetime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Paypal.php b/vendor/OAuth/OAuth2/Service/Paypal.php
new file mode 100755
index 00000000..761c09d6
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Paypal.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * PayPal service.
+ *
+ * @author Flávio Heleno <flaviohbatista@gmail.com>
+ * @link https://developer.paypal.com/webapps/developer/docs/integration/direct/log-in-with-paypal/detailed/
+ */
+class Paypal extends AbstractService
+{
+    /**
+     * Defined scopes
+     * @link https://developer.paypal.com/webapps/developer/docs/integration/direct/log-in-with-paypal/detailed/
+     * @see  #attributes
+     */
+    const SCOPE_OPENID           = 'openid';
+    const SCOPE_PROFILE          = 'profile';
+    const SCOPE_PAYPALATTRIBUTES = 'https://uri.paypal.com/services/paypalattributes';
+    const SCOPE_EMAIL            = 'email';
+    const SCOPE_ADDRESS          = 'address';
+    const SCOPE_PHONE            = 'phone';
+    const SCOPE_EXPRESSCHECKOUT  = 'https://uri.paypal.com/services/expresscheckout';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.paypal.com/v1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.paypal.com/webapps/auth/protocol/openidconnect/v1/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.paypal.com/v1/identity/openidconnect/tokenservice');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['message'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['message'] . '"');
+        } elseif (isset($data['name'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['name'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Pocket.php b/vendor/OAuth/OAuth2/Service/Pocket.php
new file mode 100755
index 00000000..8c955440
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Pocket.php
@@ -0,0 +1,125 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+
+class Pocket extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+        if ($baseApiUri === null) {
+            $this->baseApiUri = new Uri('https://getpocket.com/v3/');
+        }
+    }
+    
+    public function getRequestTokenEndpoint()
+    {
+        return new Uri('https://getpocket.com/v3/oauth/request');
+    }
+    
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://getpocket.com/auth/authorize');
+    }
+    
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://getpocket.com/v3/oauth/authorize');
+    }
+    
+    public function getAuthorizationUri(array $additionalParameters = array())
+    {
+        $parameters = array_merge(
+            $additionalParameters,
+            array(
+                'redirect_uri' => $this->credentials->getCallbackUrl(),
+            )
+        );
+        
+        // Build the url
+        $url = clone $this->getAuthorizationEndpoint();
+        foreach ($parameters as $key => $val) {
+            $url->addToQuery($key, $val);
+        }
+
+        return $url;
+    }
+    
+    public function requestRequestToken()
+    {
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getRequestTokenEndpoint(),
+            array(
+                'consumer_key' => $this->credentials->getConsumerId(),
+                'redirect_uri' => $this->credentials->getCallbackUrl(),
+            )
+        );
+        
+        $code = $this->parseRequestTokenResponse($responseBody);
+
+        return $code;
+    }
+    
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+        
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['code'])) {
+            throw new TokenResponseException('Error in retrieving code.');
+        }
+        return $data['code'];
+    }
+    
+    public function requestAccessToken($code)
+    {
+        $bodyParams = array(
+            'consumer_key'     => $this->credentials->getConsumerId(),
+            'code'             => $code,
+        );
+
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getAccessTokenEndpoint(),
+            $bodyParams,
+            $this->getExtraOAuthHeaders()
+        );
+        $token = $this->parseAccessTokenResponse($responseBody);
+        $this->storage->storeAccessToken($this->service(), $token);
+
+        return $token;
+    }
+    
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+        
+        if ($data === null || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+        
+        $token = new StdOAuth2Token();
+        #$token->setRequestToken($data['access_token']);
+        $token->setAccessToken($data['access_token']);
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+        $token->setExtraParams($data);
+        
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Reddit.php b/vendor/OAuth/OAuth2/Service/Reddit.php
new file mode 100755
index 00000000..9e524d12
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Reddit.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Reddit extends AbstractService
+{
+    /**
+     * Defined scopes
+     *
+     * @link http://www.reddit.com/dev/api/oauth
+     */
+    // User scopes
+    const SCOPE_EDIT                         = 'edit';
+    const SCOPE_HISTORY                      = 'history';
+    const SCOPE_IDENTITY                     = 'identity';
+    const SCOPE_MYSUBREDDITS                 = 'mysubreddits';
+    const SCOPE_PRIVATEMESSAGES              = 'privatemessages';
+    const SCOPE_READ                         = 'read';
+    const SCOPE_SAVE                         = 'save';
+    const SCOPE_SUBMIT                       = 'submit';
+    const SCOPE_SUBSCRIBE                    = 'subscribe';
+    const SCOPE_VOTE                         = 'vote';
+    // Mod Scopes
+    const SCOPE_MODCONFIG                    = 'modconfig';
+    const SCOPE_MODFLAIR                     = 'modflair';
+    const SCOPE_MODLOG                       = 'modlog';
+    const SCOPE_MODPOST                      = 'modpost';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri, true);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://oauth.reddit.com');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://ssl.reddit.com/api/v1/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://ssl.reddit.com/api/v1/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        // Reddit uses a Basic OAuth header
+        return array('Authorization' => 'Basic ' .
+            base64_encode($this->credentials->getConsumerId() . ':' . $this->credentials->getConsumerSecret()));
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/RunKeeper.php b/vendor/OAuth/OAuth2/Service/RunKeeper.php
new file mode 100755
index 00000000..71584076
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/RunKeeper.php
@@ -0,0 +1,105 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * RunKeeper service.
+ *
+ * @link http://runkeeper.com/developer/healthgraph/registration-authorization
+ */
+class RunKeeper extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.runkeeper.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationUri(array $additionalParameters = array())
+    {
+        $parameters = array_merge(
+            $additionalParameters,
+            array(
+                'client_id'     => $this->credentials->getConsumerId(),
+                'redirect_uri'  => $this->credentials->getCallbackUrl(),
+                'response_type' => 'code',
+            )
+        );
+
+        $parameters['scope'] = implode(' ', $this->scopes);
+
+        // Build the url
+        $url = clone $this->getAuthorizationEndpoint();
+        foreach ($parameters as $key => $val) {
+            $url->addToQuery($key, $val);
+        }
+
+        return $url;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://runkeeper.com/apps/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://runkeeper.com/apps/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Salesforce.php b/vendor/OAuth/OAuth2/Service/Salesforce.php
new file mode 100755
index 00000000..7d74db9d
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Salesforce.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace OAuth\Common\Service;
+
+use OAuth\OAuth2\Service\AbstractService;
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class SalesforceService extends AbstractService
+{
+    /**
+     * Scopes
+     *
+     * @var string
+     */
+    const   SCOPE_API           =   'api',
+            SCOPE_REFRESH_TOKEN =   'refresh_token';
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://login.salesforce.com/services/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://na1.salesforce.com/services/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
+            throw new TokenResponseException('Error in retrieving token.');
+        }
+
+        return $this->parseAccessTokenResponse($responseBody);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        // Salesforce tokens evidently never expire...
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array('Accept' => 'application/json');
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/ServiceInterface.php b/vendor/OAuth/OAuth2/Service/ServiceInterface.php
new file mode 100755
index 00000000..f3d1bdad
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/ServiceInterface.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Token\TokenInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Service\ServiceInterface as BaseServiceInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Defines the common methods across OAuth 2 services.
+ */
+interface ServiceInterface extends BaseServiceInterface
+{
+    /**
+     * Authorization methods for various services
+     */
+    const AUTHORIZATION_METHOD_HEADER_OAUTH    = 0;
+    const AUTHORIZATION_METHOD_HEADER_BEARER   = 1;
+    const AUTHORIZATION_METHOD_QUERY_STRING    = 2;
+    const AUTHORIZATION_METHOD_QUERY_STRING_V2 = 3;
+    const AUTHORIZATION_METHOD_QUERY_STRING_V3 = 4;
+
+    /**
+     * Retrieves and stores/returns the OAuth2 access token after a successful authorization.
+     *
+     * @param string $code The access code from the callback.
+     *
+     * @return TokenInterface $token
+     *
+     * @throws TokenResponseException
+     */
+    public function requestAccessToken($code);
+}
diff --git a/vendor/OAuth/OAuth2/Service/SoundCloud.php b/vendor/OAuth/OAuth2/Service/SoundCloud.php
new file mode 100755
index 00000000..32a3b46c
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/SoundCloud.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class SoundCloud extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.soundcloud.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://soundcloud.com/connect');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.soundcloud.com/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+
+        if (isset($data['expires_in'])) {
+            $token->setLifetime($data['expires_in']);
+            unset($data['expires_in']);
+        }
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Vkontakte.php b/vendor/OAuth/OAuth2/Service/Vkontakte.php
new file mode 100755
index 00000000..ddf7a8e6
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Vkontakte.php
@@ -0,0 +1,108 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Vkontakte extends AbstractService
+{
+    /**
+     * Defined scopes
+     *
+     * @link http://vk.com/dev/permissions
+     */
+    const SCOPE_NOTIFY        = 'notify';
+    const SCOPE_FRIENDS       = 'friends';
+    const SCOPE_PHOTOS        = 'photos';
+    const SCOPE_AUDIO         = 'audio';
+    const SCOPE_VIDEO         = 'video';
+    const SCOPE_DOCS          = 'docs';
+    const SCOPE_NOTES         = 'notes';
+    const SCOPE_PAGES         = 'pages';
+    const SCOPE_APP_LINK      = '';
+    const SCOPE_STATUS        = 'status';
+    const SCOPE_OFFERS        = 'offers';
+    const SCOPE_QUESTIONS     = 'questions';
+    const SCOPE_WALL          = 'wall';
+    const SCOPE_GROUPS        = 'groups';
+    const SCOPE_MESSAGES      = 'messages';
+    const SCOPE_NOTIFICATIONS = 'notifications';
+    const SCOPE_STATS         = 'stats';
+    const SCOPE_ADS           = 'ads';
+    const SCOPE_OFFLINE       = 'offline';
+    const SCOPE_NOHTTPS       = 'nohttps';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.vk.com/method/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://oauth.vk.com/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://oauth.vk.com/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+    
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Yammer.php b/vendor/OAuth/OAuth2/Service/Yammer.php
new file mode 100755
index 00000000..994a2935
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Yammer.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Yammer extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://www.yammer.com/api/v1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.yammer.com/dialog/oauth');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://www.yammer.com/oauth2/access_token.json');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']['token']);
+        $token->setLifetime($data['access_token']['expires_at']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Token/StdOAuth2Token.php b/vendor/OAuth/OAuth2/Token/StdOAuth2Token.php
new file mode 100755
index 00000000..eaaacac7
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Token/StdOAuth2Token.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace OAuth\OAuth2\Token;
+
+use OAuth\Common\Token\AbstractToken;
+
+/**
+ * Standard OAuth2 token implementation.
+ * Implements OAuth\OAuth2\Token\TokenInterface for any functionality that might not be provided by AbstractToken.
+ */
+class StdOAuth2Token extends AbstractToken implements TokenInterface
+{
+}
diff --git a/vendor/OAuth/OAuth2/Token/TokenInterface.php b/vendor/OAuth/OAuth2/Token/TokenInterface.php
new file mode 100755
index 00000000..aa592aa1
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Token/TokenInterface.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace OAuth\OAuth2\Token;
+
+use OAuth\Common\Token\TokenInterface as BaseTokenInterface;
+
+interface TokenInterface extends BaseTokenInterface
+{
+}
diff --git a/vendor/OAuth/ServiceFactory.php b/vendor/OAuth/ServiceFactory.php
new file mode 100755
index 00000000..2be9c463
--- /dev/null
+++ b/vendor/OAuth/ServiceFactory.php
@@ -0,0 +1,229 @@
+<?php
+
+/**
+ * OAuth service factory.
+ *
+ * PHP version 5.4
+ *
+ * @category   OAuth
+ * @author     David Desberg <david@daviddesberg.com>
+ * @author     Pieter Hordijk <info@pieterhordijk.com>
+ * @copyright  Copyright (c) 2013 The authors
+ * @license    http://www.opensource.org/licenses/mit-license.html  MIT License
+ */
+
+namespace OAuth;
+
+use OAuth\Common\Service\ServiceInterface;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Http\Client\StreamClient;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Exception\Exception;
+use OAuth\OAuth1\Signature\Signature;
+
+class ServiceFactory
+{
+    /**
+     *@var ClientInterface
+     */
+    protected $httpClient;
+
+    /**
+     * @var array
+     */
+    protected $serviceClassMap = array(
+        'OAuth1' => array(),
+        'OAuth2' => array()
+    );
+
+    /**
+     * @var array
+     */
+    protected $serviceBuilders = array(
+        'OAuth2' => 'buildV2Service',
+        'OAuth1' => 'buildV1Service',
+    );
+
+    /**
+     * @param ClientInterface $httpClient
+     *
+     * @return ServiceFactory
+     */
+    public function setHttpClient(ClientInterface $httpClient)
+    {
+        $this->httpClient = $httpClient;
+
+        return $this;
+    }
+
+    /**
+     * Register a custom service to classname mapping.
+     *
+     * @param string $serviceName Name of the service
+     * @param string $className   Class to instantiate
+     *
+     * @return ServiceFactory
+     *
+     * @throws Exception If the class is nonexistent or does not implement a valid ServiceInterface
+     */
+    public function registerService($serviceName, $className)
+    {
+        if (!class_exists($className)) {
+            throw new Exception(sprintf('Service class %s does not exist.', $className));
+        }
+
+        $reflClass = new \ReflectionClass($className);
+
+        foreach (array('OAuth2', 'OAuth1') as $version) {
+            if ($reflClass->implementsInterface('OAuth\\' . $version . '\\Service\\ServiceInterface')) {
+                $this->serviceClassMap[$version][ucfirst($serviceName)] = $className;
+
+                return $this;
+            }
+        }
+
+        throw new Exception(sprintf('Service class %s must implement ServiceInterface.', $className));
+    }
+
+    /**
+     * Builds and returns oauth services
+     *
+     * It will first try to build an OAuth2 service and if none found it will try to build an OAuth1 service
+     *
+     * @param string                $serviceName Name of service to create
+     * @param CredentialsInterface  $credentials
+     * @param TokenStorageInterface $storage
+     * @param array|null            $scopes      If creating an oauth2 service, array of scopes
+     * @param UriInterface|null     $baseApiUri
+     *
+     * @return ServiceInterface
+     */
+    public function createService(
+        $serviceName,
+        CredentialsInterface $credentials,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        if (!$this->httpClient) {
+            // for backwards compatibility.
+            $this->httpClient = new StreamClient();
+        }
+
+        foreach ($this->serviceBuilders as $version => $buildMethod) {
+            $fullyQualifiedServiceName = $this->getFullyQualifiedServiceName($serviceName, $version);
+
+            if (class_exists($fullyQualifiedServiceName)) {
+                return $this->$buildMethod($fullyQualifiedServiceName, $credentials, $storage, $scopes, $baseApiUri);
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Gets the fully qualified name of the service
+     *
+     * @param string $serviceName The name of the service of which to get the fully qualified name
+     * @param string $type        The type of the service to get (either OAuth1 or OAuth2)
+     *
+     * @return string The fully qualified name of the service
+     */
+    private function getFullyQualifiedServiceName($serviceName, $type)
+    {
+        $serviceName = ucfirst($serviceName);
+
+        if (isset($this->serviceClassMap[$type][$serviceName])) {
+            return $this->serviceClassMap[$type][$serviceName];
+        }
+
+        return '\\OAuth\\' . $type . '\\Service\\' . $serviceName;
+    }
+
+    /**
+     * Builds v2 services
+     *
+     * @param string                $serviceName The fully qualified service name
+     * @param CredentialsInterface  $credentials
+     * @param TokenStorageInterface $storage
+     * @param array|null            $scopes      Array of scopes for the service
+     * @param UriInterface|null     $baseApiUri
+     *
+     * @return ServiceInterface
+     *
+     * @throws Exception
+     */
+    private function buildV2Service(
+        $serviceName,
+        CredentialsInterface $credentials,
+        TokenStorageInterface $storage,
+        array $scopes,
+        UriInterface $baseApiUri = null
+    ) {
+        return new $serviceName(
+            $credentials,
+            $this->httpClient,
+            $storage,
+            $this->resolveScopes($serviceName, $scopes),
+            $baseApiUri
+        );
+    }
+
+    /**
+     * Resolves scopes for v2 services
+     *
+     * @param string  $serviceName The fully qualified service name
+     * @param array   $scopes      List of scopes for the service
+     *
+     * @return array List of resolved scopes
+     */
+    private function resolveScopes($serviceName, array $scopes)
+    {
+        $reflClass = new \ReflectionClass($serviceName);
+        $constants = $reflClass->getConstants();
+
+        $resolvedScopes = array();
+        foreach ($scopes as $scope) {
+            $key = strtoupper('SCOPE_' . $scope);
+
+            if (array_key_exists($key, $constants)) {
+                $resolvedScopes[] = $constants[$key];
+            } else {
+                $resolvedScopes[] = $scope;
+            }
+        }
+
+        return $resolvedScopes;
+    }
+
+    /**
+     * Builds v1 services
+     *
+     * @param string                $serviceName The fully qualified service name
+     * @param CredentialsInterface  $credentials
+     * @param TokenStorageInterface $storage
+     * @param array                 $scopes
+     * @param UriInterface          $baseApiUri
+     *
+     * @return ServiceInterface
+     *
+     * @throws Exception
+     */
+    private function buildV1Service(
+        $serviceName,
+        CredentialsInterface $credentials,
+        TokenStorageInterface $storage,
+        $scopes,
+        UriInterface $baseApiUri = null
+    ) {
+        if (!empty($scopes)) {
+            throw new Exception(
+                'Scopes passed to ServiceFactory::createService but an OAuth1 service was requested.'
+            );
+        }
+
+        return new $serviceName($credentials, $this->httpClient, $storage, new Signature($credentials), $baseApiUri);
+    }
+}
diff --git a/vendor/OAuth/bootstrap.php b/vendor/OAuth/bootstrap.php
new file mode 100755
index 00000000..548678aa
--- /dev/null
+++ b/vendor/OAuth/bootstrap.php
@@ -0,0 +1,13 @@
+<?php
+
+/*
+ * Bootstrap the library.
+ */
+
+namespace OAuth;
+
+require_once __DIR__ . '/Common/AutoLoader.php';
+
+$autoloader = new Common\AutoLoader(__NAMESPACE__, dirname(__DIR__));
+
+$autoloader->register();