update bootstrap to 3.3.2

22 files changed, 173 insertions, 49 deletions

diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_alerts.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_alerts.scss
index e45de830..372eec97 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_alerts.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_alerts.scss
@@ -18,6 +18,7 @@
     // Specified for the h4 to prevent conflicts of changing $headings-color
     color: inherit;
   }
+  
   // Provide class for links that match alerts
   .alert-link {
     font-weight: $alert-link-font-weight;
@@ -28,6 +29,7 @@
   > ul {
     margin-bottom: 0;
   }
+  
   > p + p {
     margin-top: 5px;
   }
@@ -57,12 +59,15 @@
 .alert-success {
   @include alert-variant($alert-success-bg, $alert-success-border, $alert-success-text);
 }
+
 .alert-info {
   @include alert-variant($alert-info-bg, $alert-info-border, $alert-info-text);
 }
+
 .alert-warning {
   @include alert-variant($alert-warning-bg, $alert-warning-border, $alert-warning-text);
 }
+
 .alert-danger {
   @include alert-variant($alert-danger-bg, $alert-danger-border, $alert-danger-text);
 }
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_badges.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_badges.scss
index c913f144..a647592d 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_badges.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_badges.scss
@@ -28,6 +28,7 @@
     position: relative;
     top: -1px;
   }
+  
   .btn-xs & {
     top: 0;
     padding: 1px 5px;
@@ -41,12 +42,15 @@
     color: $badge-active-color;
     background-color: $badge-active-bg;
   }
+  
   .list-group-item > & {
     float: right;
   }
+  
   .list-group-item > & + & {
     margin-right: 5px;
   }
+  
   .nav-pills > li > a > & {
     margin-left: 3px;
   }
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_button-groups.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_button-groups.scss
index e761daaf..a73bc54d 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_button-groups.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_button-groups.scss
@@ -71,13 +71,13 @@
 .btn-group > .btn-group:not(:first-child):not(:last-child) > .btn {
   border-radius: 0;
 }
-.btn-group > .btn-group:first-child {
+.btn-group > .btn-group:first-child:not(:last-child) {
   > .btn:last-child,
   > .dropdown-toggle {
     @include border-right-radius(0);
   }
 }
-.btn-group > .btn-group:last-child > .btn:first-child {
+.btn-group > .btn-group:last-child:not(:first-child) > .btn:first-child {
   @include border-left-radius(0);
 }
 
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_buttons.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_buttons.scss
index 37bf259e..7f0db458 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_buttons.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_buttons.scss
@@ -107,7 +107,7 @@
   &:hover,
   &:focus {
     color: $link-hover-color;
-    text-decoration: underline;
+    text-decoration: $link-hover-decoration;
     background-color: transparent;
   }
   &[disabled],
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_carousel.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_carousel.scss
index 49db83fc..f91d7ee3 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_carousel.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_carousel.scss
@@ -27,24 +27,24 @@
 
     // WebKit CSS3 transforms for supported devices
     @media all and (transform-3d), (-webkit-transform-3d) {
-      transition: transform .6s ease-in-out;
-      backface-visibility: hidden;
-      perspective: 1000;
+      @include transition-transform(0.6s ease-in-out);
+      @include backface-visibility(hidden);
+      @include perspective(1000);
 
       &.next,
       &.active.right {
-        transform: translate3d(100%, 0, 0);
+        @include translate3d(100%, 0, 0);
         left: 0;
       }
       &.prev,
       &.active.left {
-        transform: translate3d(-100%, 0, 0);
+        @include translate3d(-100%, 0, 0);
         left: 0;
       }
       &.next.left,
       &.prev.right,
       &.active {
-        transform: translate3d(0, 0, 0);
+        @include translate3d(0, 0, 0);
         left: 0;
       }
     }
@@ -148,6 +148,7 @@
     width:  20px;
     height: 20px;
     margin-top: -10px;
+    line-height: 1;
     font-family: serif;
   }
 
@@ -195,6 +196,7 @@
     // Internet Explorer 8-9 does not support clicks on elements without a set
     // `background-color`. We cannot use `filter` since that's not viewed as a
     // background color by the browser. Thus, a hack is needed.
+    // See https://developer.mozilla.org/en-US/docs/Web/Events/click#Internet_Explorer
     //
     // For IE8, we set solid black as it doesn't support `rgba()`. For IE9, we
     // set alpha transparency for the best results possible.
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_close.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_close.scss
index 62ce30fa..3b74d8a9 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_close.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_close.scss
@@ -26,6 +26,7 @@
 // Additional properties for button version
 // iOS requires the button element instead of an anchor tag.
 // If you want the anchor version, it requires `href="#"`.
+// See https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
 button.close {
   padding: 0;
   cursor: pointer;
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_dropdowns.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_dropdowns.scss
index c7256e10..b8120b8e 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_dropdowns.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_dropdowns.scss
@@ -16,6 +16,7 @@
 }
 
 // The dropdown wrapper (div)
+.dropup,
 .dropdown {
   position: relative;
 }
@@ -190,7 +191,7 @@
   .dropdown-menu {
     top: auto;
     bottom: 100%;
-    margin-bottom: 1px;
+    margin-bottom: 2px;
   }
 }
 
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_forms.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_forms.scss
index 439657c0..72d130b7 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_forms.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_forms.scss
@@ -123,7 +123,7 @@ output {
   background-color: $input-bg;
   background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
   border: 1px solid $input-border;
-  border-radius: $input-border-radius;
+  border-radius: $input-border-radius; // Note: This has no effect on <select>s in some browsers, due to the limited stylability of <select>s in CSS.
   @include box-shadow(inset 0 1px 1px rgba(0,0,0,.075));
   @include transition(border-color ease-in-out .15s, box-shadow ease-in-out .15s);
 
@@ -143,7 +143,7 @@ output {
   fieldset[disabled] & {
     cursor: $cursor-disabled;
     background-color: $input-bg-disabled;
-    opacity: 1; // iOS fix for unreadable disabled content
+    opacity: 1; // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655
   }
 
   // [converter] extracted textarea& to textarea.form-control
@@ -172,7 +172,7 @@ input[type="search"] {
 // In Mobile Safari, setting `display: block` on temporal inputs causes the
 // text within the input to become vertically misaligned. As a workaround, we
 // set a pixel line-height that matches the given height of the input, but only
-// for Safari.
+// for Safari. See https://bugs.webkit.org/show_bug.cgi?id=139848
 
 @media screen and (-webkit-min-device-pixel-ratio: 0) {
   input[type="date"],
@@ -180,18 +180,16 @@ input[type="search"] {
   input[type="datetime-local"],
   input[type="month"] {
     line-height: $input-height-base;
-  }
-  input[type="date"].input-sm,
-  input[type="time"].input-sm,
-  input[type="datetime-local"].input-sm,
-  input[type="month"].input-sm {
-    line-height: $input-height-small;
-  }
-  input[type="date"].input-lg,
-  input[type="time"].input-lg,
-  input[type="datetime-local"].input-lg,
-  input[type="month"].input-lg {
-    line-height: $input-height-large;
+
+    &.input-sm,
+    .input-group-sm & {
+      line-height: $input-height-small;
+    }
+
+    &.input-lg,
+    .input-group-lg & {
+      line-height: $input-height-large;
+    }
   }
 }
 
@@ -311,10 +309,35 @@ input[type="checkbox"] {
 //
 // Build on `.form-control` with modifier classes to decrease or increase the
 // height and font-size of form controls.
+//
+// The `.form-group-* form-control` variations are sadly duplicated to avoid the
+// issue documented in https://github.com/twbs/bootstrap/issues/15074.
+
+@include input-size('.input-sm', $input-height-small, $padding-small-vertical, $padding-small-horizontal, $font-size-small, $line-height-small, $input-border-radius-small);
+.form-group-sm {
 
-@include input-size('.input-sm, .form-group-sm .form-control', $input-height-small, $padding-small-vertical, $padding-small-horizontal, $font-size-small, $line-height-small, $input-border-radius-small);
+  @include input-size('.form-control', $input-height-small, $padding-small-vertical, $padding-small-horizontal, $font-size-small, $line-height-small, $input-border-radius-small);
 
-@include input-size('.input-lg, .form-group-lg .form-control', $input-height-large, $padding-large-vertical, $padding-large-horizontal, $font-size-large, $line-height-large, $input-border-radius-large);
+  .form-control-static {
+    height: $input-height-small;
+    padding: $padding-small-vertical $padding-small-horizontal;
+    font-size: $font-size-small;
+    line-height: $line-height-small;
+  }
+}
+
+@include input-size('.input-lg', $input-height-large, $padding-large-vertical, $padding-large-horizontal, $font-size-large, $line-height-large, $input-border-radius-large);
+.form-group-lg {
+
+  @include input-size('.form-control', $input-height-large, $padding-large-vertical, $padding-large-horizontal, $font-size-large, $line-height-large, $input-border-radius-large);
+
+  .form-control-static {
+    height: $input-height-large;
+    padding: $padding-large-vertical $padding-large-horizontal;
+    font-size: $font-size-large;
+    line-height: $line-height-large;
+  }
+}
 
 
 // Form control feedback states
@@ -447,8 +470,7 @@ input[type="checkbox"] {
     }
 
     // Remove default margin on radios/checkboxes that were used for stacking, and
-    // then undo the floating of radios and checkboxes to match (which also avoids
-    // a bug in WebKit: https://github.com/twbs/bootstrap/issues/1969).
+    // then undo the floating of radios and checkboxes to match.
     .radio,
     .checkbox {
       display: inline-block;
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_glyphicons.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_glyphicons.scss
index 5486eaa4..dc95ed7d 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_glyphicons.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_glyphicons.scss
@@ -12,6 +12,7 @@
   font-family: 'Glyphicons Halflings';
   src: url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.eot'), '#{$icon-font-path}#{$icon-font-name}.eot'));
   src: url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.eot?#iefix'), '#{$icon-font-path}#{$icon-font-name}.eot?#iefix')) format('embedded-opentype'),
+       url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.woff2'), '#{$icon-font-path}#{$icon-font-name}.woff2')) format('woff2'),
        url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.woff'), '#{$icon-font-path}#{$icon-font-name}.woff')) format('woff'),
        url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.ttf'), '#{$icon-font-path}#{$icon-font-name}.ttf')) format('truetype'),
        url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.svg##{$icon-font-svg-id}'), '#{$icon-font-path}#{$icon-font-name}.svg##{$icon-font-svg-id}')) format('svg');
@@ -232,3 +233,69 @@
 .glyphicon-cloud-upload           { &:before { content: "\e198"; } }
 .glyphicon-tree-conifer           { &:before { content: "\e199"; } }
 .glyphicon-tree-deciduous         { &:before { content: "\e200"; } }
+.glyphicon-cd                     { &:before { content: "\e201"; } }
+.glyphicon-save-file              { &:before { content: "\e202"; } }
+.glyphicon-open-file              { &:before { content: "\e203"; } }
+.glyphicon-level-up               { &:before { content: "\e204"; } }
+.glyphicon-copy                   { &:before { content: "\e205"; } }
+.glyphicon-paste                  { &:before { content: "\e206"; } }
+// The following 2 Glyphicons are omitted for the time being because
+// they currently use Unicode codepoints that are outside the
+// Basic Multilingual Plane (BMP). Older buggy versions of WebKit can't handle
+// non-BMP codepoints in CSS string escapes, and thus can't display these two icons.
+// Notably, the bug affects some older versions of the Android Browser.
+// More info: https://github.com/twbs/bootstrap/issues/10106
+// .glyphicon-door                   { &:before { content: "\1f6aa"; } }
+// .glyphicon-key                    { &:before { content: "\1f511"; } }
+.glyphicon-alert                  { &:before { content: "\e209"; } }
+.glyphicon-equalizer              { &:before { content: "\e210"; } }
+.glyphicon-king                   { &:before { content: "\e211"; } }
+.glyphicon-queen                  { &:before { content: "\e212"; } }
+.glyphicon-pawn                   { &:before { content: "\e213"; } }
+.glyphicon-bishop                 { &:before { content: "\e214"; } }
+.glyphicon-knight                 { &:before { content: "\e215"; } }
+.glyphicon-baby-formula           { &:before { content: "\e216"; } }
+.glyphicon-tent                   { &:before { content: "\26fa"; } }
+.glyphicon-blackboard             { &:before { content: "\e218"; } }
+.glyphicon-bed                    { &:before { content: "\e219"; } }
+.glyphicon-apple                  { &:before { content: "\f8ff"; } }
+.glyphicon-erase                  { &:before { content: "\e221"; } }
+.glyphicon-hourglass              { &:before { content: "\231b"; } }
+.glyphicon-lamp                   { &:before { content: "\e223"; } }
+.glyphicon-duplicate              { &:before { content: "\e224"; } }
+.glyphicon-piggy-bank             { &:before { content: "\e225"; } }
+.glyphicon-scissors               { &:before { content: "\e226"; } }
+.glyphicon-bitcoin                { &:before { content: "\e227"; } }
+.glyphicon-yen                    { &:before { content: "\00a5"; } }
+.glyphicon-ruble                  { &:before { content: "\20bd"; } }
+.glyphicon-scale                  { &:before { content: "\e230"; } }
+.glyphicon-ice-lolly              { &:before { content: "\e231"; } }
+.glyphicon-ice-lolly-tasted       { &:before { content: "\e232"; } }
+.glyphicon-education              { &:before { content: "\e233"; } }
+.glyphicon-option-horizontal      { &:before { content: "\e234"; } }
+.glyphicon-option-vertical        { &:before { content: "\e235"; } }
+.glyphicon-menu-hamburger         { &:before { content: "\e236"; } }
+.glyphicon-modal-window           { &:before { content: "\e237"; } }
+.glyphicon-oil                    { &:before { content: "\e238"; } }
+.glyphicon-grain                  { &:before { content: "\e239"; } }
+.glyphicon-sunglasses             { &:before { content: "\e240"; } }
+.glyphicon-text-size              { &:before { content: "\e241"; } }
+.glyphicon-text-color             { &:before { content: "\e242"; } }
+.glyphicon-text-background        { &:before { content: "\e243"; } }
+.glyphicon-object-align-top       { &:before { content: "\e244"; } }
+.glyphicon-object-align-bottom    { &:before { content: "\e245"; } }
+.glyphicon-object-align-horizontal{ &:before { content: "\e246"; } }
+.glyphicon-object-align-left      { &:before { content: "\e247"; } }
+.glyphicon-object-align-vertical  { &:before { content: "\e248"; } }
+.glyphicon-object-align-right     { &:before { content: "\e249"; } }
+.glyphicon-triangle-right         { &:before { content: "\e250"; } }
+.glyphicon-triangle-left          { &:before { content: "\e251"; } }
+.glyphicon-triangle-bottom        { &:before { content: "\e252"; } }
+.glyphicon-triangle-top           { &:before { content: "\e253"; } }
+.glyphicon-console                { &:before { content: "\e254"; } }
+.glyphicon-superscript            { &:before { content: "\e255"; } }
+.glyphicon-subscript              { &:before { content: "\e256"; } }
+.glyphicon-menu-left              { &:before { content: "\e257"; } }
+.glyphicon-menu-right             { &:before { content: "\e258"; } }
+.glyphicon-menu-down              { &:before { content: "\e259"; } }
+.glyphicon-menu-up                { &:before { content: "\e260"; } }
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_jumbotron.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_jumbotron.scss
index ed4c6c99..e326b327 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_jumbotron.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_jumbotron.scss
@@ -13,6 +13,7 @@
   .h1 {
     color: $jumbotron-heading-color;
   }
+  
   p {
     margin-bottom: ($jumbotron-padding / 2);
     font-size: $jumbotron-font-size;
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_media.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_media.scss
index 292e98db..a6bf7819 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_media.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_media.scss
@@ -7,6 +7,20 @@
   }
 }
 
+.media,
+.media-body {
+  zoom: 1;
+  overflow: hidden;
+}
+
+.media-body {
+  width: 10000px;
+}
+
+.media-object {
+  display: block;
+}
+
 .media-right,
 .media > .pull-right {
   padding-left: 10px;
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_navbar.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_navbar.scss
index 73b8587b..ed36a993 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_navbar.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_navbar.scss
@@ -331,6 +331,7 @@
 }
 // Menu position and menu caret support for dropups via extra dropup class
 .navbar-fixed-bottom .navbar-nav > li > .dropdown-menu {
+  margin-bottom: 0;
   @include border-top-radius($navbar-border-radius);
   @include border-bottom-radius(0);
 }
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_panels.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_panels.scss
index 6c323d90..84847b47 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_panels.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_panels.scss
@@ -36,7 +36,11 @@
   font-size: ceil(($font-size-base * 1.125));
   color: inherit;
 
-  > a {
+  > a,
+  > small,
+  > .small,
+  > small > a,
+  > .small > a {
     color: inherit;
   }
 }
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_popovers.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_popovers.scss
index 46c45f50..699c7b8d 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_popovers.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_popovers.scss
@@ -11,7 +11,7 @@
   display: none;
   max-width: $popover-max-width;
   padding: 1px;
-  // Reset font and text propertes given new insertion method
+  // Reset font and text properties given new insertion method
   font-family: $font-family-base;
   font-size: $font-size-base;
   font-weight: normal;
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_responsive-utilities.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_responsive-utilities.scss
index 4d9e13b5..8d02aaa3 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_responsive-utilities.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_responsive-utilities.scss
@@ -26,7 +26,10 @@
 // Visibility utilities
 // Note: Deprecated .visible-xs, .visible-sm, .visible-md, and .visible-lg as of v3.2.0
 
-@include responsive-invisibility('.visible-xs, .visible-sm, .visible-md, .visible-lg');
+@include responsive-invisibility('.visible-xs');
+@include responsive-invisibility('.visible-sm');
+@include responsive-invisibility('.visible-md');
+@include responsive-invisibility('.visible-lg');
 
 .visible-xs-block,
 .visible-xs-inline,
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_tables.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_tables.scss
index a575ff1b..affcc58c 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_tables.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_tables.scss
@@ -111,7 +111,7 @@ th {
 // Default zebra-stripe styles (alternating gray and transparent backgrounds)
 
 .table-striped {
-  > tbody > tr:nth-child(odd) {
+  > tbody > tr:nth-of-type(odd) {
     background-color: $table-bg-accent;
   }
 }
@@ -133,7 +133,7 @@ th {
 // Reset default table behavior
 
 table col[class*="col-"] {
-  position: static; // Prevent border hiding in Firefox and IE9/10 (see https://github.com/twbs/bootstrap/issues/11623)
+  position: static; // Prevent border hiding in Firefox and IE9-11 (see https://github.com/twbs/bootstrap/issues/11623)
   float: none;
   display: table-column;
 }
@@ -141,7 +141,7 @@ table {
   td,
   th {
     &[class*="col-"] {
-      position: static; // Prevent border hiding in Firefox and IE9/10 (see https://github.com/twbs/bootstrap/issues/11623)
+      position: static; // Prevent border hiding in Firefox and IE9-11 (see https://github.com/twbs/bootstrap/issues/11623)
       float: none;
       display: table-cell;
     }
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_theme.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_theme.scss
index 51534fe7..ed106a4f 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_theme.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_theme.scss
@@ -36,7 +36,7 @@
 // Mixin for generating new styles
 @mixin btn-styles($btn-color: #555) {
   @include gradient-vertical($start-color: $btn-color, $end-color: darken($btn-color, 12%));
-  @include reset-filter; // Disable gradients for IE9 because filter bleeds through rounded corners
+  @include reset-filter; // Disable gradients for IE9 because filter bleeds through rounded corners; see https://github.com/twbs/bootstrap/issues/10620
   background-repeat: repeat-x;
   border-color: darken($btn-color, 14%);
 
@@ -52,6 +52,7 @@
     border-color: darken($btn-color, 14%);
   }
 
+  &.disabled,
   &:disabled,
   &[disabled] {
     background-color: darken($btn-color, 12%);
@@ -130,7 +131,7 @@
 // Inverted navbar
 .navbar-inverse {
   @include gradient-vertical($start-color: lighten($navbar-inverse-bg, 10%), $end-color: $navbar-inverse-bg);
-  @include reset-filter; // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered
+  @include reset-filter; // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered; see https://github.com/twbs/bootstrap/issues/10257
 
   .navbar-nav > .open > a,
   .navbar-nav > .active > a {
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_tooltip.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_tooltip.scss
index c6e43287..6004f598 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_tooltip.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_tooltip.scss
@@ -9,7 +9,7 @@
   z-index: $zindex-tooltip;
   display: block;
   visibility: visible;
-  // Reset font and text propertes given new insertion method
+  // Reset font and text properties given new insertion method
   font-family: $font-family-base;
   font-size: $font-size-small;
   font-weight: normal;
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_variables.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_variables.scss
index 7d190f26..578b7b69 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_variables.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/_variables.scss
@@ -1,8 +1,4 @@
-// When true, asset path helpers are used, otherwise the regular CSS `url()` is used.
-// When there no function is defined, `fn('')` is parsed as string that equals the right hand side
-// NB: in Sass 3.3 there is a native function: function-exists(twbs-font-path)
-$bootstrap-sass-asset-helper: (twbs-font-path("") != unquote('twbs-font-path("")')) !default;
-
+$bootstrap-sass-asset-helper: false !default;
 //
 // Variables
 // --------------------------------------------------
@@ -19,7 +15,7 @@ $gray:                   lighten($gray-base, 33.5%) !default; // #555
 $gray-light:             lighten($gray-base, 46.7%) !default; // #777
 $gray-lighter:           lighten($gray-base, 93.5%) !default; // #eee
 
-$brand-primary:         darken(#428bca, 6.5%) !default;
+$brand-primary:         darken(#428bca, 6.5%) !default; // #337ab7
 $brand-success:         #5cb85c !default;
 $brand-info:            #5bc0de !default;
 $brand-warning:         #f0ad4e !default;
@@ -82,7 +78,8 @@ $headings-color:          inherit !default;
 
 //** Load fonts from this directory.
 
-// [converter] Asset helpers such as Sprockets and Node.js Mincer do not resolve relative paths
+// [converter] If $bootstrap-sass-asset-helper if used, provide path relative to the assets load path.
+// [converter] This is because some asset helpers, such as Sprockets, do not work with file-relative paths.
 $icon-font-path: if($bootstrap-sass-asset-helper, "bootstrap/", "../fonts/bootstrap/") !default;
 
 //** File name for all font files.
@@ -107,7 +104,7 @@ $padding-small-horizontal:  10px !default;
 $padding-xs-vertical:       1px !default;
 $padding-xs-horizontal:     5px !default;
 
-$line-height-large:         1.33 !default;
+$line-height-large:         1.3333333 !default; // extra decimals for Win 8.1 Chrome
 $line-height-small:         1.5 !default;
 
 $border-radius-base:        4px !default;
@@ -195,6 +192,7 @@ $input-border:                   #ccc !default;
 
 // TODO: Rename `$input-border-radius` to `$input-border-radius-base` in v4
 //** Default `.form-control` border radius
+// This has no effect on `<select>`s in some browsers, due to the limited stylability of `<select>`s in CSS.
 $input-border-radius:            $border-radius-base !default;
 //** Large `.form-control` border radius
 $input-border-radius-large:      $border-radius-large !default;
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_hide-text.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_hide-text.scss
index 45db6385..c59d7361 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_hide-text.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_hide-text.scss
@@ -8,7 +8,7 @@
 
 // Deprecated as of v3.0.1 (will be removed in v4)
 @mixin hide-text() {
-  font: #{0/0} a;
+  font: 0/0 a;
   color: transparent;
   text-shadow: none;
   background-color: transparent;
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_opacity.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_opacity.scss
index df088adf..88e9a576 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_opacity.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_opacity.scss
@@ -4,5 +4,5 @@
   opacity: $opacity;
   // IE8 filter
   $opacity-ie: ($opacity * 100);
-  filter: #{alpha(opacity=$opacity-ie)};
+  filter: alpha(opacity=$opacity-ie);
 }
diff --git a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_vendor-prefixes.scss b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_vendor-prefixes.scss
index a6b9ef4e..df4c1ec8 100644
--- a/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_vendor-prefixes.scss
+++ b/bower_components/bootstrap-sass-official/assets/stylesheets/bootstrap/mixins/_vendor-prefixes.scss
@@ -102,7 +102,7 @@
   // Firefox
   &::-moz-placeholder {
     color: $color;
-    opacity: 1; // See https://github.com/twbs/bootstrap/pull/11526
+    opacity: 1; // Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526
   }
   &:-ms-input-placeholder { color: $color; } // Internet Explorer 10+
   &::-webkit-input-placeholder  { color: $color; } // Safari and Chrome