Fixed: added save/restore to clippingNode and ccui.Layout for armature
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into setTransform
corrected mistakes in ClippingNodeCanvasRenderCmd and UILayoutCanvasRenderCmd
Merge pull request #2522 from dingpinglv/setTransform

Fixed: added save/restore to clippingNode and ccui.Layout for armature