Merge pull request #14 from VisualSJ/Iss2416_RefactorRenderer

Issue #2416: Fixed a bug that LabelBMFont does not display
Issue #2416: refactor cc.ParticleSystem and cc.ProgressTimer
Merge branch 'Iss2416_RefactorRenderer' of https://github.com/dingpinglv/cocos2d-html5 into Iss2416_RefactorRenderer
Issue 2416: modify CCSpriteRenderCmd.js for setColor
Merge branch 'Iss2416_RefactorRenderer' of http://github.com/dingpinglv/cocos2d-html5 into Iss2416_RefactorRenderer