adding #273 icon-microphone

docs/assets/css/font-awesome.css

@@ -1116,3 +1116,6 @@ ul.icons li [class*=" icon-"] {
 .icon-puzzle-piece:before {
   content: "\f12e";
 }
+.icon-microphone:before {
+  content: "\f130";
+}

docs/assets/less/font-awesome.less

@@ -565,3 +565,5 @@ ul.icons {
 .icon-subscript:before            { content: "\f12c"; }
 .icon-eraser:before               { content: "\f12d"; }
 .icon-puzzle-piece:before         { content: "\f12e"; }
+
+.icon-microphone:before           { content: "\f130"; }

docs/index.html

@@ -276,6 +276,7 @@
       <li><i class="icon-subscript"></i> icon-subscript</li>
       <li><i class="icon-eraser"></i> icon-eraser</li>
       <li><i class="icon-puzzle-piece"></i> icon-puzzle-piece</li>
+      <li><i class="icon-microphone"></i> icon-microphone</li>
     </ul>
   </div>
 </section>