adobe/brackets — pull request #7713 by zaggino (2014-05-01 01:24:24+00:00)
Title: do not do animateUsingClass on hidden elements

webkitTransitionEnd won't fire when the element is hidden
and the animation class will stay on the element

see comment here: https://github.com/adobe/brackets/pull/7639#issuecomment-41753833
cc @larz0 @redmunds