fixed #1463 check arguments is null for Geometry
Merge branch 'master' of https://github.com/cocos2d/cocos2d-html5 into iss1463_CCBReader
Merge pull request #668 from dingpinglv/iss1463_CCBReader

fixed #1463 check arguments is null for Geometry
audio bug
audio bug
audio bug
Merge pull request #670 from Wu-Hao/master

updated menu item so it works with new api
audio bug
Merge pull request #669 from ShengxiangChen/issue1569_audioJSB

fixed audio bug on firefox
rename submodule
Merge branch 'V2.1Beta' of https://github.com/linshun/cocos2d-html5
Merge pull request #671 from linshun/V2.1Beta

rename submodule
fixed #1463 modify ccbPath for readNodeGraphFromFile
Merge pull request #672 from dingpinglv/iss1463_CCBReader

fixed #1463 modify ccbPath for readNodeGraphFromFile
update samples
update change log and samples commit ID
update change log
update change log
Merge pull request #673 from linshun/V2.1Beta

V2.1 Version
Merge https://github.com/cocos2d/cocos2d-html5