H5: Update property API list
H5: Add resume for release notes
Merge branch 'master' of https://github.com/cocos2d/cocos-docs
H5: Update property API doc
H5: Add upgrade guide for v3.0a
Merge branch 'master' of https://github.com/cocos2d/cocos-docs
H5: Upgrade guide v3.0a - update relative path
Merge pull request #175 from pandamicro/master

H5: Add upgrade guide for v3.0a