[Cocos2d-JS] Move usb docs into jsb folder
[Cocos2d-JS] Add iOS IAP doc
[Cocos2d-JS] Add objects pool doc
[Cocos2d-JS] Add js to oc reflection doc
[Cocos2d-JS] Update catalog
Merge branch 'master' of https://github.com/cocos2d/cocos-docs
[Cocos2d-JS] Update create and new construction related informations
Merge pull request #428 from pandamicro/master

[Cocos2d-JS] Add js docs