Resolve the bug : login UI of 360 & UC can't be landscape.
Rename the singleton methods name in sample project of plugin.
Remove the deprecated methods.
Resolve the bug in plugin qh360
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into develop
Merge pull request #3246 from natural-law/develop

Resolve the bug in plugin 360 & uc