Merge branch 'master' of https://github.com/cocos2d/cocos-docs
Merge branch 'master' of https://github.com/cocos2d/cocos-docs
Merge branch 'master' of https://github.com/cocos2d/cocos-docs
Merge branch 'master' of https://github.com/cocos2d/cocos-docs
Merge branch 'master' of https://github.com/cocos2d/cocos-docs
issue #3675, add document of websocket.
Merge branch 'master' of https://github.com/cocos2d/cocos-docs
issue #3675, add Lua API usage.
fixed #3675, add JSB API usage.
Merge pull request #101 from u0u0/master

fixed #3675, add document of websocket.