Fixed #1615 Fixed some bugs for Cocos2d-Html5
Merge branch 'master' of https://github.com/cocos2d/cocos2d-html5 into iss1615_WebGLRendering
Merge pull request #876 from dingpinglv/Iss1615_WebGLRendering

Fixed #1615 Fixed some bugs for Cocos2d-Html5