Issue #5941: adds SpriteBatchNode and AtlasNode to new renderer for WebGL
Merge branch 'Renderer' of https://github.com/cocos2d/cocos2d-html5 into Iss5941_WebGLRenderer

Conflicts:
	cocos2d/core/renderer/RendererCanvas.js
	cocos2d/core/renderer/RendererWebGL.js
Merge branch 'Renderer' of https://github.com/cocos2d/cocos2d-html5 into Iss5941_WebGLRenderer
Merge pull request #2277 from dingpinglv/Iss5941_WebGLRenderer

Issue #5941: adds SpriteBatchNode and AtlasNode to new renderer for WebGL