1.修改不循环动画 播放出错
Merge pull request #62 from 2youyouo2/master

fix no-loop tween bug
fixes #4097
Merge pull request #63 from chengstory/Bug#4097

fixes #4097
Merge branch 'master' of https://github.com/chukong/Cocos2d-x-For-CocoStudio