Merge pull request #988 from roots/bootstrap-3.1.1

Update to Bootstrap 3.1.1

CHANGELOG.md

@@ -1,3 +1,6 @@
+### HEAD
+* Update to Bootstrap 3.1.1
+
 ### 6.5.2: February 4th, 2014
 * Update to Bootstrap 3.1.0
 * Move DOM routing into an anonymous function to support jQuery noConflict

assets/js/plugins/bootstrap/affix.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: affix.js v3.1.0
+ * Bootstrap: affix.js v3.1.1
  * http://getbootstrap.com/javascript/#affix
  * ========================================================================
  * Copyright 2011-2014 Twitter, Inc.

assets/js/plugins/bootstrap/alert.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: alert.js v3.1.0
+ * Bootstrap: alert.js v3.1.1
  * http://getbootstrap.com/javascript/#alerts
  * ========================================================================
  * Copyright 2011-2014 Twitter, Inc.

assets/js/plugins/bootstrap/button.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: button.js v3.1.0
+ * Bootstrap: button.js v3.1.1
  * http://getbootstrap.com/javascript/#buttons
  * ========================================================================
  * Copyright 2011-2014 Twitter, Inc.

assets/js/plugins/bootstrap/carousel.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: carousel.js v3.1.0
+ * Bootstrap: carousel.js v3.1.1
  * http://getbootstrap.com/javascript/#carousel
  * ========================================================================
  * Copyright 2011-2014 Twitter, Inc.

assets/js/plugins/bootstrap/collapse.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: collapse.js v3.1.0
+ * Bootstrap: collapse.js v3.1.1
  * http://getbootstrap.com/javascript/#collapse
  * ========================================================================
  * Copyright 2011-2014 Twitter, Inc.

assets/js/plugins/bootstrap/dropdown.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: dropdown.js v3.1.0
+ * Bootstrap: dropdown.js v3.1.1
  * http://getbootstrap.com/javascript/#dropdowns
  * ========================================================================
  * Copyright 2011-2014 Twitter, Inc.

assets/js/plugins/bootstrap/modal.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: modal.js v3.1.0
+ * Bootstrap: modal.js v3.1.1
  * http://getbootstrap.com/javascript/#modals
  * ========================================================================
  * Copyright 2011-2014 Twitter, Inc.

assets/js/plugins/bootstrap/popover.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: popover.js v3.1.0
+ * Bootstrap: popover.js v3.1.1
  * http://getbootstrap.com/javascript/#popovers
  * ========================================================================
  * Copyright 2011-2014 Twitter, Inc.

assets/js/plugins/bootstrap/scrollspy.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: scrollspy.js v3.1.0
+ * Bootstrap: scrollspy.js v3.1.1
  * http://getbootstrap.com/javascript/#scrollspy
  * ========================================================================
  * Copyright 2011-2014 Twitter, Inc.

assets/js/plugins/bootstrap/tab.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: tab.js v3.1.0
+ * Bootstrap: tab.js v3.1.1
  * http://getbootstrap.com/javascript/#tabs
  * ========================================================================
  * Copyright 2011-2014 Twitter, Inc.

assets/js/plugins/bootstrap/tooltip.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: tooltip.js v3.1.0
+ * Bootstrap: tooltip.js v3.1.1
  * http://getbootstrap.com/javascript/#tooltip
  * Inspired by the original jQuery.tipsy by Jason Frame
  * ========================================================================

assets/js/plugins/bootstrap/transition.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: transition.js v3.1.0
+ * Bootstrap: transition.js v3.1.1
  * http://getbootstrap.com/javascript/#transitions
  * ========================================================================
  * Copyright 2011-2014 Twitter, Inc.

assets/less/bootstrap/button-groups.less

@@ -96,9 +96,9 @@
 //
 // Remix the default button sizing classes into new ones for easier manipulation.
 
-.btn-group-xs > .btn { .btn-xs(); }
-.btn-group-sm > .btn { .btn-sm(); }
-.btn-group-lg > .btn { .btn-lg(); }
+.btn-group-xs > .btn { &:extend(.btn-xs); }
+.btn-group-sm > .btn { &:extend(.btn-sm); }
+.btn-group-lg > .btn { &:extend(.btn-lg); }
 
 
 // Split button dropdowns

assets/less/bootstrap/buttons.less

@@ -19,8 +19,12 @@
   .button-size(@padding-base-vertical; @padding-base-horizontal; @font-size-base; @line-height-base; @border-radius-base);
   .user-select(none);
 
-  &:focus {
-    .tab-focus();
+  &,
+  &:active,
+  &.active {
+    &:focus {
+      .tab-focus();
+    }
   }
 
   &:hover,

assets/less/bootstrap/carousel.less

@@ -21,7 +21,7 @@
     // Account for jankitude on images
     > img,
     > a > img {
-      .img-responsive();
+      &:extend(.img-responsive);
       line-height: 1;
     }
   }
@@ -206,8 +206,8 @@
 
   // Scale up the controls a smidge
   .carousel-control {
-    .glyphicons-chevron-left,
-    .glyphicons-chevron-right,
+    .glyphicon-chevron-left,
+    .glyphicon-chevron-right,
     .icon-prev,
     .icon-next {
       width: 30px;

assets/less/bootstrap/forms.less

@@ -133,9 +133,10 @@ output {
   .placeholder();
 
   // Disabled and read-only inputs
-  // Note: HTML5 says that controls under a fieldset > legend:first-child won't
-  // be disabled if the fieldset is disabled. Due to implementation difficulty,
-  // we don't honor that edge case; we style them as disabled anyway.
+  //
+  // HTML5 says that controls under a fieldset > legend:first-child won't be
+  // disabled if the fieldset is disabled. Due to implementation difficulty, we
+  // don't honor that edge case; we style them as disabled anyway.
   &[disabled],
   &[readonly],
   fieldset[disabled] & {
@@ -150,10 +151,24 @@ output {
   }
 }
 
+
+// Search inputs in iOS
+//
+// This overrides the extra rounded corners on search inputs in iOS so that our
+// `.form-control` class can properly style them. Note that this cannot simply
+// be added to `.form-control` as it's not specific enough. For details, see
+// https://github.com/twbs/bootstrap/issues/11586.
+
+input[type="search"] {
+  -webkit-appearance: none;
+}
+
+
 // Special styles for iOS date input
 //
 // In Mobile Safari, date inputs require a pixel line-height that matches the
 // given height of the input.
+
 input[type="date"] {
   line-height: @input-height-base;
 }
@@ -334,6 +349,10 @@ input[type="checkbox"],
       width: auto; // Prevent labels from stacking above inputs in `.form-group`
       vertical-align: middle;
     }
+    // Input groups need that 100% width though
+    .input-group > .form-control {
+      width: 100%;
+    }
 
     .control-label {
       margin-bottom: 0;

assets/less/bootstrap/grid.less

@@ -53,11 +53,7 @@
 // Columns, offsets, pushes, and pulls for extra small devices like
 // smartphones.
 
-.make-grid-columns-float(xs);
-.make-grid(@grid-columns, xs, width);
-.make-grid(@grid-columns, xs, pull);
-.make-grid(@grid-columns, xs, push);
-.make-grid(@grid-columns, xs, offset);
+.make-grid(xs);
 
 
 // Small grid
@@ -66,11 +62,7 @@
 // to tablets.
 
 @media (min-width: @screen-sm-min) {
-  .make-grid-columns-float(sm);
-  .make-grid(@grid-columns, sm, width);
-  .make-grid(@grid-columns, sm, pull);
-  .make-grid(@grid-columns, sm, push);
-  .make-grid(@grid-columns, sm, offset);
+  .make-grid(sm);
 }
 
 
@@ -79,11 +71,7 @@
 // Columns, offsets, pushes, and pulls for the desktop device range.
 
 @media (min-width: @screen-md-min) {
-  .make-grid-columns-float(md);
-  .make-grid(@grid-columns, md, width);
-  .make-grid(@grid-columns, md, pull);
-  .make-grid(@grid-columns, md, push);
-  .make-grid(@grid-columns, md, offset);
+  .make-grid(md);
 }
 
 
@@ -92,9 +80,5 @@
 // Columns, offsets, pushes, and pulls for the large desktop device range.
 
 @media (min-width: @screen-lg-min) {
-  .make-grid-columns-float(lg);
-  .make-grid(@grid-columns, lg, width);
-  .make-grid(@grid-columns, lg, pull);
-  .make-grid(@grid-columns, lg, push);
-  .make-grid(@grid-columns, lg, offset);
+  .make-grid(lg);
 }

assets/less/bootstrap/input-groups.less

@@ -17,6 +17,11 @@
   }
 
   .form-control {
+    // Ensure that the input is always above the *appended* addon button for
+    // proper border colors.
+    position: relative;
+    z-index: 2;
+
     // IE9 fubars the placeholder attribute in text inputs and the arrows on
     // select elements in input groups. To fix it, we float the input. Details:
     // https://github.com/twbs/bootstrap/issues/11561#issuecomment-28936855

assets/less/bootstrap/mixins.less

@@ -54,8 +54,7 @@
 
 // Placeholder text
 .placeholder(@color: @input-color-placeholder) {
-  &:-moz-placeholder            { color: @color; } // Firefox 4-18
-  &::-moz-placeholder           { color: @color;   // Firefox 19+
+  &::-moz-placeholder           { color: @color;   // Firefox
                                   opacity: 1; } // See https://github.com/twbs/bootstrap/pull/11526
   &:-ms-input-placeholder       { color: @color; } // Internet Explorer 10+
   &::-webkit-input-placeholder  { color: @color; } // Safari and Chrome
@@ -253,7 +252,6 @@
   -webkit-user-select: @select;
      -moz-user-select: @select;
       -ms-user-select: @select; // IE10+
-       -o-user-select: @select;
           user-select: @select;
 }
 
@@ -629,10 +627,7 @@
 }
 
 .responsive-invisibility() {
-    &,
-  tr&,
-  th&,
-  td& { display: none !important; }
+  display: none !important;
 }
 
 
@@ -796,7 +791,7 @@
   .col(1); // kickstart it
 }
 
-.make-grid-columns-float(@class) {
+.float-grid-columns(@class) {
   .col(@index) when (@index = 1) { // initial
     @item: ~".col-@{class}-@{index}";
     .col((@index + 1), @item);
@@ -813,34 +808,42 @@
   .col(1); // kickstart it
 }
 
-.calc-grid(@index, @class, @type) when (@type = width) and (@index > 0) {
+.calc-grid-column(@index, @class, @type) when (@type = width) and (@index > 0) {
   .col-@{class}-@{index} {
     width: percentage((@index / @grid-columns));
   }
 }
-.calc-grid(@index, @class, @type) when (@type = push) {
+.calc-grid-column(@index, @class, @type) when (@type = push) {
   .col-@{class}-push-@{index} {
     left: percentage((@index / @grid-columns));
   }
 }
-.calc-grid(@index, @class, @type) when (@type = pull) {
+.calc-grid-column(@index, @class, @type) when (@type = pull) {
   .col-@{class}-pull-@{index} {
     right: percentage((@index / @grid-columns));
   }
 }
-.calc-grid(@index, @class, @type) when (@type = offset) {
+.calc-grid-column(@index, @class, @type) when (@type = offset) {
   .col-@{class}-offset-@{index} {
     margin-left: percentage((@index / @grid-columns));
   }
 }
 
 // Basic looping in LESS
-.make-grid(@index, @class, @type) when (@index >= 0) {
-  .calc-grid(@index, @class, @type);
+.loop-grid-columns(@index, @class, @type) when (@index >= 0) {
+  .calc-grid-column(@index, @class, @type);
   // next iteration
-  .make-grid((@index - 1), @class, @type);
+  .loop-grid-columns((@index - 1), @class, @type);
 }
 
+// Create grid for specific class
+.make-grid(@class) {
+  .float-grid-columns(@class);
+  .loop-grid-columns(@grid-columns, @class, width);
+  .loop-grid-columns(@grid-columns, @class, pull);
+  .loop-grid-columns(@grid-columns, @class, push);
+  .loop-grid-columns(@grid-columns, @class, offset);
+}
 
 // Form validation states
 //

assets/less/bootstrap/modals.less

@@ -121,7 +121,6 @@
 
 // Scale up the modal
 @media (min-width: @screen-sm-min) {
-
   // Automatically set modal's width for larger viewports
   .modal-dialog {
     width: @modal-md;
@@ -133,6 +132,8 @@
 
   // Modal sizes
   .modal-sm { width: @modal-sm; }
-  .modal-lg { width: @modal-lg; }
-
+}
+
+@media (min-width: @screen-md-min) {
+  .modal-lg { width: @modal-lg; }
 }

assets/less/bootstrap/navbar.less

@@ -155,7 +155,7 @@
   padding: @navbar-padding-vertical @navbar-padding-horizontal;
   font-size: @font-size-large;
   line-height: @line-height-computed;
-  height: @line-height-computed;
+  height: @navbar-height;
 
   &:hover,
   &:focus {

assets/less/bootstrap/panels.less

@@ -18,6 +18,37 @@
   &:extend(.clearfix all);
 }
 
+// Optional heading
+.panel-heading {
+  padding: 10px 15px;
+  border-bottom: 1px solid transparent;
+  .border-top-radius((@panel-border-radius - 1));
+
+  > .dropdown .dropdown-toggle {
+    color: inherit;
+  }
+}
+
+// Within heading, strip any `h*` tag of its default margins for spacing.
+.panel-title {
+  margin-top: 0;
+  margin-bottom: 0;
+  font-size: ceil((@font-size-base * 1.125));
+  color: inherit;
+
+  > a {
+    color: inherit;
+  }
+}
+
+// Optional footer (stays gray in every modifier class)
+.panel-footer {
+  padding: 10px 15px;
+  background-color: @panel-footer-bg;
+  border-top: 1px solid @panel-inner-border;
+  .border-bottom-radius((@panel-border-radius - 1));
+}
+
 
 // List groups in panels
 //
@@ -27,25 +58,23 @@
 .panel {
   > .list-group {
     margin-bottom: 0;
+
     .list-group-item {
       border-width: 1px 0;
       border-radius: 0;
-      &:first-child {
-        border-top: 0;
-      }
-      &:last-child {
-        border-bottom: 0;
-      }
     }
+
     // Add border top radius for first one
     &:first-child {
       .list-group-item:first-child {
+        border-top: 0;
         .border-top-radius((@panel-border-radius - 1));
       }
     }
     // Add border bottom radius for last one
     &:last-child {
       .list-group-item:last-child {
+        border-bottom: 0;
         .border-bottom-radius((@panel-border-radius - 1));
       }
     }
@@ -72,6 +101,8 @@
   // Add border top radius for first one
   > .table:first-child,
   > .table-responsive:first-child > .table:first-child {
+    .border-top-radius((@panel-border-radius - 1));
+
     > thead:first-child,
     > tbody:first-child {
       > tr:first-child {
@@ -89,6 +120,8 @@
   // Add border bottom radius for last one
   > .table:last-child,
   > .table-responsive:last-child > .table:last-child {
+    .border-bottom-radius((@panel-border-radius - 1));
+
     > tbody:last-child,
     > tfoot:last-child {
       > tr:last-child {
@@ -126,12 +159,22 @@
         > td:last-child {
           border-right: 0;
         }
-        &:first-child > th,
-        &:first-child > td {
-          border-top: 0;
+      }
+    }
+    > thead,
+    > tbody {
+      > tr:first-child {
+        > td,
+        > th {
+          border-bottom: 0;
         }
-        &:last-child > th,
-        &:last-child > td {
+      }
+    }
+    > tbody,
+    > tfoot {
+      > tr:last-child {
+        > td,
+        > th {
           border-bottom: 0;
         }
       }
@@ -144,38 +187,6 @@
 }
 
 
-// Optional heading
-.panel-heading {
-  padding: 10px 15px;
-  border-bottom: 1px solid transparent;
-  .border-top-radius((@panel-border-radius - 1));
-
-  > .dropdown .dropdown-toggle {
-    color: inherit;
-  }
-}
-
-// Within heading, strip any `h*` tag of its default margins for spacing.
-.panel-title {
-  margin-top: 0;
-  margin-bottom: 0;
-  font-size: ceil((@font-size-base * 1.125));
-  color: inherit;
-
-  > a {
-    color: inherit;
-  }
-}
-
-// Optional footer (stays gray in every modifier class)
-.panel-footer {
-  padding: 10px 15px;
-  background-color: @panel-footer-bg;
-  border-top: 1px solid @panel-inner-border;
-  .border-bottom-radius((@panel-border-radius - 1));
-}
-
-
 // Collapsable panels (aka, accordion)
 //
 // Wrap a series of panels in `.panel-group` to turn them into an accordion with

assets/less/bootstrap/popovers.less

@@ -23,10 +23,10 @@
   white-space: normal;
 
   // Offset the popover to account for the popover arrow
-  &.top     { margin-top: -10px; }
-  &.right   { margin-left: 10px; }
-  &.bottom  { margin-top: 10px; }
-  &.left    { margin-left: -10px; }
+  &.top     { margin-top: -@popover-arrow-width; }
+  &.right   { margin-left: @popover-arrow-width; }
+  &.bottom  { margin-top: @popover-arrow-width; }
+  &.left    { margin-left: -@popover-arrow-width; }
 }
 
 .popover-title {
@@ -48,7 +48,7 @@
 //
 // .arrow is outer, .arrow:after is inner
 
-.popover .arrow {
+.popover > .arrow {
   &,
   &:after {
     position: absolute;
@@ -59,16 +59,16 @@
     border-style: solid;
   }
 }
-.popover .arrow {
+.popover > .arrow {
   border-width: @popover-arrow-outer-width;
 }
-.popover .arrow:after {
+.popover > .arrow:after {
   border-width: @popover-arrow-width;
   content: "";
 }
 
 .popover {
-  &.top .arrow {
+  &.top > .arrow {
     left: 50%;
     margin-left: -@popover-arrow-outer-width;
     border-bottom-width: 0;
@@ -83,7 +83,7 @@
       border-top-color: @popover-arrow-color;
     }
   }
-  &.right .arrow {
+  &.right > .arrow {
     top: 50%;
     left: -@popover-arrow-outer-width;
     margin-top: -@popover-arrow-outer-width;
@@ -98,7 +98,7 @@
       border-right-color: @popover-arrow-color;
     }
   }
-  &.bottom .arrow {
+  &.bottom > .arrow {
     left: 50%;
     margin-left: -@popover-arrow-outer-width;
     border-top-width: 0;
@@ -114,7 +114,7 @@
     }
   }
 
-  &.left .arrow {
+  &.left > .arrow {
     top: 50%;
     right: -@popover-arrow-outer-width;
     margin-top: -@popover-arrow-outer-width;

assets/less/bootstrap/responsive-utilities.less

@@ -23,30 +23,29 @@
 
 
 // Visibility utilities
-.visible-xs {
+.visible-xs,
+.visible-sm,
+.visible-md,
+.visible-lg {
   .responsive-invisibility();
+}
 
+.visible-xs {
   @media (max-width: @screen-xs-max) {
     .responsive-visibility();
   }
 }
 .visible-sm {
-  .responsive-invisibility();
-
   @media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
     .responsive-visibility();
   }
 }
 .visible-md {
-  .responsive-invisibility();
-
   @media (min-width: @screen-md-min) and (max-width: @screen-md-max) {
     .responsive-visibility();
   }
 }
 .visible-lg {
-  .responsive-invisibility();
-
   @media (min-width: @screen-lg-min) {
     .responsive-visibility();
   }

assets/less/bootstrap/thumbnails.less

@@ -16,7 +16,7 @@
 
   > img,
   a > img {
-    .img-responsive();
+    &:extend(.img-responsive);
     margin-left: auto;
     margin-right: auto;
   }

assets/less/bootstrap/type.less

@@ -165,15 +165,12 @@ ol {
 // Inline turns list items into inline-block
 .list-inline {
   .list-unstyled();
+  margin-left: -5px;
 
   > li {
     display: inline-block;
     padding-left: 5px;
     padding-right: 5px;
-
-    &:first-child {
-      padding-left: 0;
-    }
   }
 }
 
@@ -233,7 +230,7 @@ abbr[data-original-title] {
 blockquote {
   padding: (@line-height-computed / 2) @line-height-computed;
   margin: 0 0 @line-height-computed;
-  font-size: (@font-size-base * 1.25);
+  font-size: @blockquote-font-size;
   border-left: 5px solid @blockquote-border-color;
 
   p,

assets/less/bootstrap/variables.less

@@ -74,7 +74,7 @@
 
 @icon-font-path:          "../fonts/";
 @icon-font-name:          "glyphicons-halflings-regular";
-@icon-font-svg-id:				"glyphicons_halflingsregular";
+@icon-font-svg-id:        "glyphicons_halflingsregular";
 
 //== Components
 //
@@ -301,6 +301,26 @@
 @grid-float-breakpoint-max: (@grid-float-breakpoint - 1);
 
 
+//== Container sizes
+//
+//## Define the maximum width of `.container` for different screen sizes.
+
+// Small screen / tablet
+@container-tablet:             ((720px + @grid-gutter-width));
+//** For `@screen-sm-min` and up.
+@container-sm:                 @container-tablet;
+
+// Medium screen / desktop
+@container-desktop:            ((940px + @grid-gutter-width));
+//** For `@screen-md-min` and up.
+@container-md:                 @container-desktop;
+
+// Large screen / wide desktop
+@container-large-desktop:      ((1140px + @grid-gutter-width));
+//** For `@screen-lg-min` and up.
+@container-lg:                 @container-large-desktop;
+
+
 //== Navbar
 //
 //##
@@ -505,9 +525,9 @@
 //** Popover outer arrow width
 @popover-arrow-outer-width:           (@popover-arrow-width + 1);
 //** Popover outer arrow color
-@popover-arrow-outer-color:           rgba(0,0,0,.25);
+@popover-arrow-outer-color:           fadein(@popover-border-color, 5%);
 //** Popover outer arrow fallback color
-@popover-arrow-outer-fallback-color:  #999;
+@popover-arrow-outer-fallback-color:  darken(@popover-fallback-border-color, 20%);
 
 
 //== Labels
@@ -790,6 +810,8 @@
 @headings-small-color:        @gray-light;
 //** Blockquote small color
 @blockquote-small-color:      @gray-light;
+//** Blockquote font size
+@blockquote-font-size:        (@font-size-base * 1.25);
 //** Blockquote border color
 @blockquote-border-color:     @gray-lighter;
 //** Page header border color
@@ -805,23 +827,3 @@
 
 //** Horizontal offset for forms and lists.
 @component-offset-horizontal: 180px;
-
-
-//== Container sizes
-//
-//## Define the maximum width of `.container` for different screen sizes.
-
-// Small screen / tablet
-@container-tablet:             ((720px + @grid-gutter-width));
-//** For `@screen-sm-min` and up.
-@container-sm:                 @container-tablet;
-
-// Medium screen / desktop
-@container-desktop:            ((940px + @grid-gutter-width));
-//** For `@screen-md-min` and up.
-@container-md:                 @container-desktop;
-
-// Large screen / wide desktop
-@container-large-desktop:      ((1140px + @grid-gutter-width));
-//** For `@screen-lg-min` and up.
-@container-lg:                 @container-large-desktop;

lib/scripts.php

@@ -11,7 +11,7 @@
  * 3. /theme/assets/js/main.min.js (in footer)
  */
 function roots_scripts() {
-  wp_enqueue_style('roots_main', get_template_directory_uri() . '/assets/css/main.min.css', false, 'c1a58eb4baaf24c3771085df3d54ff8d');
+  wp_enqueue_style('roots_main', get_template_directory_uri() . '/assets/css/main.min.css', false, '9880649384aea9f1ee166331c0a30daa');
 
   // jQuery is loaded using the same method from HTML5 Boilerplate:
   // Grab Google CDN's latest jQuery with a protocol relative URL; fallback to local if offline