H5: Add chinese doc ref
H5: Add cocos-console chinese doc and improve the doc content
H5: Add upgrade guide 3.0a chinese doc and improve the doc content
H5: Update release note and catalog for 3.0 release
Merge branches 'master' and 'master' of https://github.com/cocos2d/cocos-docs
Merge pull request #209 from pandamicro/master

H5: Update docs for Cocos2d-JS 3.0 release