addressing #28, adding icon aliases

docs/assets/css/font-awesome.css

@@ -1070,3 +1070,10 @@ ul.icons li [class*=" icon-"] {
 .icon-code:before {
   content: "\f121";
 }
+/*  Aliases to existing icons */
+.icon-mail-forward:before {
+  content: "\f064";
+}
+.icon-mail-reply:before {
+  content: "\f112";
+}

docs/assets/less/font-awesome.less

@@ -547,3 +547,8 @@ ul.icons {
 
 .icon-terminal:before             { content: "\f120"; }
 .icon-code:before                 { content: "\f121"; }
+
+
+/*  Aliases to existing icons */
+.icon-mail-forward:before         { content: "\f064"; }
+.icon-mail-reply:before           { content: "\f112"; }