Issue #2416: Repair recycle call setDirtyFlag
Issue #2416: Clipping texture must be update
Issue #2416: Bit operation error
Issue #2416: LabelTTF setting state error
Merge branch 'Iss2416_RefactorRenderer' of http://github.com/dingpinglv/cocos2d-html5 into Iss2416_RefactorRenderer

Conflicts:
	cocos2d/core/base-nodes/CCNodeWebGLRenderCmd.js
Merge pull request #32 from VisualSJ/Iss2416_RefactorRenderer

Issue #2416: refactor renderer