Issue #2416: correct some mistakes of cc.ClippingNode
Merge pull request #24 from joshuastray/Iss2416_RefactorRenderer

Iss2416 refactor renderer
Issue #2416: correct some mistakes of AtlasNode, Sprite, SpriteBatchNode
Merge branch 'Iss2416_RefactorRenderer' of https://github.com/dingpinglv/cocos2d-html5 into Iss2416_RefactorRenderer