5.2.3
(723030) - AssetBundle: Fixed the issue that the sprite atlas had been stored twice in AssetBundles.
当sprite在图集中时，不会再被重复打包了
(727244) - Mecanim: Fixed AnimationEvents not called when at the begining of a State.
有木有发现在动画0帧的时候加事件不执行？搞定了
原文：http://nottick.blog.51cto.com/2148734/1718451