Fixed: corrected a bug of ccui.Scale9SpriteCanvasRenderCmd and a bug of ccui.LayoutWebGLRenderCmd
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into setTransform
Merge pull request #2538 from dingpinglv/setTransform

Fixed: corrected a bug of ccui.Scale9SpriteCanvasRenderCmd and a bug of ccui.LayoutWebGLRenderCmd