H5: Add missed informations
Merge branch 'master' of https://github.com/cocos2d/cocos-docs
Fixed: update upgrade guide of Cocos2d-JS v3.0a for ccs.UILayer
H5: fix problems in cocos console doc
Merge pull request #219 from dingpinglv/Iss_ReleaseNote

Fixed: update upgrade guide of Cocos2d-JS v3.0a for ccs.UILayer
Merge pull request #220 from pandamicro/master

H5: Add missed informations
Merge pull request #221 from u0u0/master

"how to make a sushicrash game by cocos2dx" part 1
add release note for v3.0 rc1
Merge pull request #222 from minggo/doc-v3.0

add release note for v3.0 rc1
Update "how to make a sushi crash game" zh.md

Fix markdown formats
text label for Cocos2d-x 3.0