fixed #2078 Sync "initWithFile" to "init" for JSB
Merge branch 'master' of https://github.com/cocos2d/cocos2d-html5 into Iss2078_SyncInitWithFile
fixed #2078 Sync "initWithFile" to "init" for JSB
fixed #2078 Sync "initWithFile" to "init" for JSB
Merge pull request #894 from dingpinglv/Iss2078_SyncInitWithFile

fixed #2078 Sync "initWithFile" to "init" for JSB