Fix icon banner in icons, add visiblity to single component releases

src/themes/default/elements/icon.overrides

@@ -1,14 +1,3 @@
-/*!
- * # Semantic UI - Icon
- * http://github.com/semantic-org/semantic-ui/
- *
- *
- * Copyright 2014 Contributors
- * Released under the MIT license
- * http://opensource.org/licenses/MIT
- *
- */
-
 /*
  * Font Awesome 4.3.0 by @davegandy - http://fontawesome.io - @fontawesome
  * License - http://fontawesome.io/license (Font: SIL OFL 1.1, CSS: MIT License)

tasks/config/admin/release.js

@@ -104,6 +104,7 @@ module.exports = {
     'tab',
     'table',
     'transition',
-    'video'
+    'video',
+    'visibility'
   ]
 };