Rename the library file name of uc SDK.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into develop
issue #2416, Add ProtocolSocial for android platform.
issue #2416, Add ProtocolSocial for iOS platform.
closed #2416, Add social plugin : SocialNd91 & add sample code for social plugins.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into develop
Merge pull request #3221 from natural-law/develop

Add ProtocolSocial for social SDKs in plugin