yui/yui3 — pull request #1698 by okuryu (2014-03-12 12:06:59+00:00)
Title: Ignore .idea directory on Git

I started using [WebStorm](http://www.jetbrains.com/webstorm/) to write JavaScript recently.

WebStorm automatically creates a `.idea` directory in the root of the repository. Actually this directory is unnecessary on VCS.