Closed #3327: A cc.Sprite's bug has been fixed that it works incorrectly when setting some color( for example: cc.c3b(50,50,50))
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss3327_FixSpriteSetColor
Merge pull request #1288 from dingpinglv/Iss3327_FixSpriteSetColor

Closed #3327: A cc.Sprite's bug has been fixed