Merge pull request #13 from VisualSJ/Iss2416_RefactorRenderer

LabelBMFont renderCmd
Issue 2416: Let template running on WebGL
Merge branch 'Iss2416_RefactorRenderer' of https://github.com/dingpinglv/cocos2d-html5 into Iss2416_RefactorRenderer
Issue #2416: refactoring cc.AtlasNode and cc.LabelAtlas
Issue #2416: Fixed a bug that LabelBMFont does not display
Merge branch 'Iss2416_RefactorRenderer' of http://github.com/dingpinglv/cocos2d-html5 into Iss2416_RefactorRenderer