Fixed #5872: Remove useless code
Update html5 engine
Merge branches 'develop' and 'develop' of https://github.com/cocos2d/cocos2d-js into develop
Fixed #5872: Fix cc.Menu.create doesn't accept array as parameter issue
Fixed #5872: Add some missed property in usb
Update docs for RC3 release
Update html5 engine
Merge pull request #748 from pandamicro/develop

Fix issues