updated catalog structure
Merge pull request #395 from gloryming/master

updated catalog structure
updated catalog structures
Merge pull request #396 from gloryming/master

updated catalog structures
Merge pull request #398 from pandamicro/master

[Cocos2d-JS] RC1 release docs
[Cocos2d-JS] RC1 release docs in catalogs
Merge branch 'master' of https://github.com/cocos2d/cocos-docs