Closed #4166: fixed particleSystem's bug that its color is incorrect on WebGL
Merge branch 'develop-3.0' of https://github.com/cocos2d/cocos2d-html5 into Iss4166_ParticleBug
Merge pull request #1616 from dingpinglv/Iss4166_ParticleBug

Closed #4166: fixed particleSystem's bug that its color is incorrect on WebGL