Removed coverage from repo

 On branch master
	modified:   .gitignore
	deleted:    coverage/Firefox 32.0.0 (Ubuntu)/index.html
	deleted:    coverage/Firefox 32.0.0 (Ubuntu)/prettify.css
	deleted:    coverage/Firefox 32.0.0 (Ubuntu)/prettify.js
	deleted:    coverage/Firefox 32.0.0 (Ubuntu)/src/gestures.js.html
	deleted:    coverage/Firefox 32.0.0 (Ubuntu)/src/index.html