Update Font Awesome

Update Font Awesome to 4.6.1

stylesheets/font-awesome/less/font-awesome.less

@@ -1,5 +1,5 @@
 /*!
- *  Font Awesome 4.4.0 by @davegandy - http://fontawesome.io - @fontawesome
+ *  Font Awesome 4.6.1 by @davegandy - http://fontawesome.io - @fontawesome
  *  License - http://fontawesome.io/license (Font: SIL OFL 1.1, CSS: MIT License)
  */
 
@@ -15,3 +15,4 @@
 @import "rotated-flipped.less";
 @import "stacked.less";
 @import "icons.less";
+@import "screen-reader.less";

stylesheets/font-awesome/less/icons.less

@@ -675,3 +675,50 @@
 .@{fa-css-prefix}-vimeo:before { content: @fa-var-vimeo; }
 .@{fa-css-prefix}-black-tie:before { content: @fa-var-black-tie; }
 .@{fa-css-prefix}-fonticons:before { content: @fa-var-fonticons; }
+.@{fa-css-prefix}-reddit-alien:before { content: @fa-var-reddit-alien; }
+.@{fa-css-prefix}-edge:before { content: @fa-var-edge; }
+.@{fa-css-prefix}-credit-card-alt:before { content: @fa-var-credit-card-alt; }
+.@{fa-css-prefix}-codiepie:before { content: @fa-var-codiepie; }
+.@{fa-css-prefix}-modx:before { content: @fa-var-modx; }
+.@{fa-css-prefix}-fort-awesome:before { content: @fa-var-fort-awesome; }
+.@{fa-css-prefix}-usb:before { content: @fa-var-usb; }
+.@{fa-css-prefix}-product-hunt:before { content: @fa-var-product-hunt; }
+.@{fa-css-prefix}-mixcloud:before { content: @fa-var-mixcloud; }
+.@{fa-css-prefix}-scribd:before { content: @fa-var-scribd; }
+.@{fa-css-prefix}-pause-circle:before { content: @fa-var-pause-circle; }
+.@{fa-css-prefix}-pause-circle-o:before { content: @fa-var-pause-circle-o; }
+.@{fa-css-prefix}-stop-circle:before { content: @fa-var-stop-circle; }
+.@{fa-css-prefix}-stop-circle-o:before { content: @fa-var-stop-circle-o; }
+.@{fa-css-prefix}-shopping-bag:before { content: @fa-var-shopping-bag; }
+.@{fa-css-prefix}-shopping-basket:before { content: @fa-var-shopping-basket; }
+.@{fa-css-prefix}-hashtag:before { content: @fa-var-hashtag; }
+.@{fa-css-prefix}-bluetooth:before { content: @fa-var-bluetooth; }
+.@{fa-css-prefix}-bluetooth-b:before { content: @fa-var-bluetooth-b; }
+.@{fa-css-prefix}-percent:before { content: @fa-var-percent; }
+.@{fa-css-prefix}-gitlab:before { content: @fa-var-gitlab; }
+.@{fa-css-prefix}-wpbeginner:before { content: @fa-var-wpbeginner; }
+.@{fa-css-prefix}-wpforms:before { content: @fa-var-wpforms; }
+.@{fa-css-prefix}-envira:before { content: @fa-var-envira; }
+.@{fa-css-prefix}-universal-access:before { content: @fa-var-universal-access; }
+.@{fa-css-prefix}-wheelchair-alt:before { content: @fa-var-wheelchair-alt; }
+.@{fa-css-prefix}-question-circle-o:before { content: @fa-var-question-circle-o; }
+.@{fa-css-prefix}-blind:before { content: @fa-var-blind; }
+.@{fa-css-prefix}-audio-description:before { content: @fa-var-audio-description; }
+.@{fa-css-prefix}-volume-control-phone:before { content: @fa-var-volume-control-phone; }
+.@{fa-css-prefix}-braille:before { content: @fa-var-braille; }
+.@{fa-css-prefix}-assistive-listening-systems:before { content: @fa-var-assistive-listening-systems; }
+.@{fa-css-prefix}-asl-interpreting:before,
+.@{fa-css-prefix}-american-sign-language-interpreting:before { content: @fa-var-american-sign-language-interpreting; }
+.@{fa-css-prefix}-deafness:before,
+.@{fa-css-prefix}-hard-of-hearing:before,
+.@{fa-css-prefix}-deaf:before { content: @fa-var-deaf; }
+.@{fa-css-prefix}-glide:before { content: @fa-var-glide; }
+.@{fa-css-prefix}-glide-g:before { content: @fa-var-glide-g; }
+.@{fa-css-prefix}-signing:before,
+.@{fa-css-prefix}-sign-language:before { content: @fa-var-sign-language; }
+.@{fa-css-prefix}-low-vision:before { content: @fa-var-low-vision; }
+.@{fa-css-prefix}-viadeo:before { content: @fa-var-viadeo; }
+.@{fa-css-prefix}-viadeo-square:before { content: @fa-var-viadeo-square; }
+.@{fa-css-prefix}-snapchat:before { content: @fa-var-snapchat; }
+.@{fa-css-prefix}-snapchat-ghost:before { content: @fa-var-snapchat-ghost; }
+.@{fa-css-prefix}-snapchat-square:before { content: @fa-var-snapchat-square; }

stylesheets/font-awesome/less/mixins.less

@@ -12,15 +12,49 @@
 }
 
 .fa-icon-rotate(@degrees, @rotation) {
-  filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=@rotation);
+  -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=@{rotation})";
   -webkit-transform: rotate(@degrees);
       -ms-transform: rotate(@degrees);
           transform: rotate(@degrees);
 }
 
 .fa-icon-flip(@horiz, @vert, @rotation) {
-  filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=@rotation, mirror=1);
+  -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=@{rotation}, mirror=1)";
   -webkit-transform: scale(@horiz, @vert);
       -ms-transform: scale(@horiz, @vert);
           transform: scale(@horiz, @vert);
 }
+
+
+// Only display content to screen readers. A la Bootstrap 4.
+//
+// See: http://a11yproject.com/posts/how-to-hide-content/
+
+.sr-only() {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0,0,0,0);
+  border: 0;
+}
+
+// Use in conjunction with .sr-only to only display content when it's focused.
+//
+// Useful for "Skip to main content" links; see http://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
+//
+// Credit: HTML5 Boilerplate
+
+.sr-only-focusable() {
+  &:active,
+  &:focus {
+    position: static;
+    width: auto;
+    height: auto;
+    margin: 0;
+    overflow: visible;
+    clip: auto;
+  }
+}

stylesheets/font-awesome/less/path.less

@@ -9,7 +9,7 @@
     url('@{fa-font-path}/fontawesome-webfont.woff?v=@{fa-version}') format('woff'),
     url('@{fa-font-path}/fontawesome-webfont.ttf?v=@{fa-version}') format('truetype'),
     url('@{fa-font-path}/fontawesome-webfont.svg?v=@{fa-version}#fontawesomeregular') format('svg');
-//  src: url('@{fa-font-path}/FontAwesome.otf') format('opentype'); // used when developing fonts
+  // src: url('@{fa-font-path}/FontAwesome.otf') format('opentype'); // used when developing fonts
   font-weight: normal;
   font-style: normal;
 }

stylesheets/font-awesome/less/screen-reader.less

@@ -0,0 +1,5 @@
+// Screen Readers
+// -------------------------
+
+.sr-only { .sr-only(); }
+.sr-only-focusable { .sr-only-focusable(); }

stylesheets/font-awesome/less/variables.less

@@ -4,9 +4,9 @@
 @fa-font-path:        "../fonts";
 @fa-font-size-base:   14px;
 @fa-line-height-base: 1;
-//@fa-font-path:        "//netdna.bootstrapcdn.com/font-awesome/4.4.0/fonts"; // for referencing Bootstrap CDN font files directly
+//@fa-font-path:        "//netdna.bootstrapcdn.com/font-awesome/4.6.1/fonts"; // for referencing Bootstrap CDN font files directly
 @fa-css-prefix:       fa;
-@fa-version:          "4.4.0";
+@fa-version:          "4.6.1";
 @fa-border-color:     #eee;
 @fa-inverse:          #fff;
 @fa-li-width:         (30em / 14);
@@ -20,6 +20,7 @@
 @fa-var-align-right: "\f038";
 @fa-var-amazon: "\f270";
 @fa-var-ambulance: "\f0f9";
+@fa-var-american-sign-language-interpreting: "\f2a3";
 @fa-var-anchor: "\f13d";
 @fa-var-android: "\f17b";
 @fa-var-angellist: "\f209";
@@ -50,8 +51,11 @@
 @fa-var-arrows-alt: "\f0b2";
 @fa-var-arrows-h: "\f07e";
 @fa-var-arrows-v: "\f07d";
+@fa-var-asl-interpreting: "\f2a3";
+@fa-var-assistive-listening-systems: "\f2a2";
 @fa-var-asterisk: "\f069";
 @fa-var-at: "\f1fa";
+@fa-var-audio-description: "\f29e";
 @fa-var-automobile: "\f1b9";
 @fa-var-backward: "\f04a";
 @fa-var-balance-scale: "\f24e";
@@ -86,12 +90,16 @@
 @fa-var-bitbucket-square: "\f172";
 @fa-var-bitcoin: "\f15a";
 @fa-var-black-tie: "\f27e";
+@fa-var-blind: "\f29d";
+@fa-var-bluetooth: "\f293";
+@fa-var-bluetooth-b: "\f294";
 @fa-var-bold: "\f032";
 @fa-var-bolt: "\f0e7";
 @fa-var-bomb: "\f1e2";
 @fa-var-book: "\f02d";
 @fa-var-bookmark: "\f02e";
 @fa-var-bookmark-o: "\f097";
+@fa-var-braille: "\f2a1";
 @fa-var-briefcase: "\f0b1";
 @fa-var-btc: "\f15a";
 @fa-var-bug: "\f188";
@@ -164,6 +172,7 @@
 @fa-var-code: "\f121";
 @fa-var-code-fork: "\f126";
 @fa-var-codepen: "\f1cb";
+@fa-var-codiepie: "\f284";
 @fa-var-coffee: "\f0f4";
 @fa-var-cog: "\f013";
 @fa-var-cogs: "\f085";
@@ -182,6 +191,7 @@
 @fa-var-copyright: "\f1f9";
 @fa-var-creative-commons: "\f25e";
 @fa-var-credit-card: "\f09d";
+@fa-var-credit-card-alt: "\f283";
 @fa-var-crop: "\f125";
 @fa-var-crosshairs: "\f05b";
 @fa-var-css3: "\f13c";
@@ -192,6 +202,8 @@
 @fa-var-dashboard: "\f0e4";
 @fa-var-dashcube: "\f210";
 @fa-var-database: "\f1c0";
+@fa-var-deaf: "\f2a4";
+@fa-var-deafness: "\f2a4";
 @fa-var-dedent: "\f03b";
 @fa-var-delicious: "\f1a5";
 @fa-var-desktop: "\f108";
@@ -204,6 +216,7 @@
 @fa-var-dribbble: "\f17d";
 @fa-var-dropbox: "\f16b";
 @fa-var-drupal: "\f1a9";
+@fa-var-edge: "\f282";
 @fa-var-edit: "\f044";
 @fa-var-eject: "\f052";
 @fa-var-ellipsis-h: "\f141";
@@ -212,6 +225,7 @@
 @fa-var-envelope: "\f0e0";
 @fa-var-envelope-o: "\f003";
 @fa-var-envelope-square: "\f199";
+@fa-var-envira: "\f299";
 @fa-var-eraser: "\f12d";
 @fa-var-eur: "\f153";
 @fa-var-euro: "\f153";
@@ -273,6 +287,7 @@
 @fa-var-folder-open-o: "\f115";
 @fa-var-font: "\f031";
 @fa-var-fonticons: "\f280";
+@fa-var-fort-awesome: "\f286";
 @fa-var-forumbee: "\f211";
 @fa-var-forward: "\f04e";
 @fa-var-foursquare: "\f180";
@@ -294,8 +309,11 @@
 @fa-var-github: "\f09b";
 @fa-var-github-alt: "\f113";
 @fa-var-github-square: "\f092";
+@fa-var-gitlab: "\f296";
 @fa-var-gittip: "\f184";
 @fa-var-glass: "\f000";
+@fa-var-glide: "\f2a5";
+@fa-var-glide-g: "\f2a6";
 @fa-var-globe: "\f0ac";
 @fa-var-google: "\f1a0";
 @fa-var-google-plus: "\f0d5";
@@ -319,6 +337,8 @@
 @fa-var-hand-scissors-o: "\f257";
 @fa-var-hand-spock-o: "\f259";
 @fa-var-hand-stop-o: "\f256";
+@fa-var-hard-of-hearing: "\f2a4";
+@fa-var-hashtag: "\f292";
 @fa-var-hdd-o: "\f0a0";
 @fa-var-header: "\f1dc";
 @fa-var-headphones: "\f025";
@@ -390,6 +410,7 @@
 @fa-var-long-arrow-left: "\f177";
 @fa-var-long-arrow-right: "\f178";
 @fa-var-long-arrow-up: "\f176";
+@fa-var-low-vision: "\f2a8";
 @fa-var-magic: "\f0d0";
 @fa-var-magnet: "\f076";
 @fa-var-mail-forward: "\f064";
@@ -418,8 +439,10 @@
 @fa-var-minus-circle: "\f056";
 @fa-var-minus-square: "\f146";
 @fa-var-minus-square-o: "\f147";
+@fa-var-mixcloud: "\f289";
 @fa-var-mobile: "\f10b";
 @fa-var-mobile-phone: "\f10b";
+@fa-var-modx: "\f285";
 @fa-var-money: "\f0d6";
 @fa-var-moon-o: "\f186";
 @fa-var-mortar-board: "\f19d";
@@ -446,11 +469,14 @@
 @fa-var-paragraph: "\f1dd";
 @fa-var-paste: "\f0ea";
 @fa-var-pause: "\f04c";
+@fa-var-pause-circle: "\f28b";
+@fa-var-pause-circle-o: "\f28c";
 @fa-var-paw: "\f1b0";
 @fa-var-paypal: "\f1ed";
 @fa-var-pencil: "\f040";
 @fa-var-pencil-square: "\f14b";
 @fa-var-pencil-square-o: "\f044";
+@fa-var-percent: "\f295";
 @fa-var-phone: "\f095";
 @fa-var-phone-square: "\f098";
 @fa-var-photo: "\f03e";
@@ -472,11 +498,13 @@
 @fa-var-plus-square-o: "\f196";
 @fa-var-power-off: "\f011";
 @fa-var-print: "\f02f";
+@fa-var-product-hunt: "\f288";
 @fa-var-puzzle-piece: "\f12e";
 @fa-var-qq: "\f1d6";
 @fa-var-qrcode: "\f029";
 @fa-var-question: "\f128";
 @fa-var-question-circle: "\f059";
+@fa-var-question-circle-o: "\f29c";
 @fa-var-quote-left: "\f10d";
 @fa-var-quote-right: "\f10e";
 @fa-var-ra: "\f1d0";
@@ -484,6 +512,7 @@
 @fa-var-rebel: "\f1d0";
 @fa-var-recycle: "\f1b8";
 @fa-var-reddit: "\f1a1";
+@fa-var-reddit-alien: "\f281";
 @fa-var-reddit-square: "\f1a2";
 @fa-var-refresh: "\f021";
 @fa-var-registered: "\f25d";
@@ -508,6 +537,7 @@
 @fa-var-safari: "\f267";
 @fa-var-save: "\f0c7";
 @fa-var-scissors: "\f0c4";
+@fa-var-scribd: "\f28a";
 @fa-var-search: "\f002";
 @fa-var-search-minus: "\f010";
 @fa-var-search-plus: "\f00e";
@@ -525,10 +555,14 @@
 @fa-var-shield: "\f132";
 @fa-var-ship: "\f21a";
 @fa-var-shirtsinbulk: "\f214";
+@fa-var-shopping-bag: "\f290";
+@fa-var-shopping-basket: "\f291";
 @fa-var-shopping-cart: "\f07a";
 @fa-var-sign-in: "\f090";
+@fa-var-sign-language: "\f2a7";
 @fa-var-sign-out: "\f08b";
 @fa-var-signal: "\f012";
+@fa-var-signing: "\f2a7";
 @fa-var-simplybuilt: "\f215";
 @fa-var-sitemap: "\f0e8";
 @fa-var-skyatlas: "\f216";
@@ -537,6 +571,9 @@
 @fa-var-sliders: "\f1de";
 @fa-var-slideshare: "\f1e7";
 @fa-var-smile-o: "\f118";
+@fa-var-snapchat: "\f2ab";
+@fa-var-snapchat-ghost: "\f2ac";
+@fa-var-snapchat-square: "\f2ad";
 @fa-var-soccer-ball-o: "\f1e3";
 @fa-var-sort: "\f0dc";
 @fa-var-sort-alpha-asc: "\f15d";
@@ -572,6 +609,8 @@
 @fa-var-sticky-note: "\f249";
 @fa-var-sticky-note-o: "\f24a";
 @fa-var-stop: "\f04d";
+@fa-var-stop-circle: "\f28d";
+@fa-var-stop-circle-o: "\f28e";
 @fa-var-street-view: "\f21d";
 @fa-var-strikethrough: "\f0cc";
 @fa-var-stumbleupon: "\f1a4";
@@ -636,12 +675,14 @@
 @fa-var-umbrella: "\f0e9";
 @fa-var-underline: "\f0cd";
 @fa-var-undo: "\f0e2";
+@fa-var-universal-access: "\f29a";
 @fa-var-university: "\f19c";
 @fa-var-unlink: "\f127";
 @fa-var-unlock: "\f09c";
 @fa-var-unlock-alt: "\f13e";
 @fa-var-unsorted: "\f0dc";
 @fa-var-upload: "\f093";
+@fa-var-usb: "\f287";
 @fa-var-usd: "\f155";
 @fa-var-user: "\f007";
 @fa-var-user-md: "\f0f0";
@@ -653,11 +694,14 @@
 @fa-var-venus-double: "\f226";
 @fa-var-venus-mars: "\f228";
 @fa-var-viacoin: "\f237";
+@fa-var-viadeo: "\f2a9";
+@fa-var-viadeo-square: "\f2aa";
 @fa-var-video-camera: "\f03d";
 @fa-var-vimeo: "\f27d";
 @fa-var-vimeo-square: "\f194";
 @fa-var-vine: "\f1ca";
 @fa-var-vk: "\f189";
+@fa-var-volume-control-phone: "\f2a0";
 @fa-var-volume-down: "\f027";
 @fa-var-volume-off: "\f026";
 @fa-var-volume-up: "\f028";
@@ -667,11 +711,14 @@
 @fa-var-weixin: "\f1d7";
 @fa-var-whatsapp: "\f232";
 @fa-var-wheelchair: "\f193";
+@fa-var-wheelchair-alt: "\f29b";
 @fa-var-wifi: "\f1eb";
 @fa-var-wikipedia-w: "\f266";
 @fa-var-windows: "\f17a";
 @fa-var-won: "\f159";
 @fa-var-wordpress: "\f19a";
+@fa-var-wpbeginner: "\f297";
+@fa-var-wpforms: "\f298";
 @fa-var-wrench: "\f0ad";
 @fa-var-xing: "\f168";
 @fa-var-xing-square: "\f169";