Added font-display: block to @font-face

Prevents fork awesome from delaying page render.

css/fork-awesome.css

@@ -18,6 +18,7 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
   src: url('../fonts/forkawesome-webfont.eot?#iefix&v=1.1.7') format('embedded-opentype'), url('../fonts/forkawesome-webfont.woff2?v=1.1.7') format('woff2'), url('../fonts/forkawesome-webfont.woff?v=1.1.7') format('woff'), url('../fonts/forkawesome-webfont.ttf?v=1.1.7') format('truetype'), url('../fonts/forkawesome-webfont.svg?v=1.1.7#forkawesomeregular') format('svg');
   font-weight: normal;
   font-style: normal;
+  font-display: block;
 }
 .fa {
   display: inline-block;