Merge pull request #1175 from dingpinglv/Iss2852_RefactorMultResources

Closed #2852: fixed a bug of LabelTTF that its textureRect is wrong when setting ScaleFactor not equal 1.
closed #2916: Fixed a bug of audio does not play correctly in advanced compress.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into develop_audio_compress
Merge pull request #1177 from xingsenma/develop_audio_compress

closed #2916: Fixed a bug of audio does not play correctly in advanced compress.
Fixed #2852: Corrected a mistake that the sprite can't be display when it was called setColor and cc.Director set ScaleFactor not equal 1.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss2852_RefactorMultResources