Fixed #3825: update the multiple audio white list
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss3825_SimpleAudioEngine
Fixed #3825: Delete the test codes.
Merge pull request #1521 from dingpinglv/Iss3825_SimpleAudioEngine

Fixed #3825: update the multiple audio white list