cocos2d/cocos2d-iphone — pull request #562 by crmagicxxx (2014-02-03 02:29:42+00:00)
Title: Adding Ease Sine actions

I already asked on cocos2d forum, but without response. I find those EaseSine actions very useful, so I added them again...

http://www.cocos2d-iphone.org/forums/topic/any-reason-to-drop-easesine-actions-from-v3/