update samples commit id and fix minor bug of cc.MenuItemToggle.
Merge pull request #783 from linshun/iss1739_bugfix

update samples‘ commit id and fix minor bug of cc.MenuItemToggle.
Merge pull request #769 from Wu-Hao/affineTransform

issue #1704: Affine transform
fixed #780: fixed prefix bug for UIWebView.
Merge pull request #785 from linshun/iss1739_bugfix

fixed #780: fixed prefix bug for UIWebView.
fixed #773: fixed bug of NotificationCenter callback function and tpyo.
Merge pull request #786 from linshun/iss1739_bugfix

fixed #773: fixed bug of NotificationCenter callback function and tpyo.
Merge branch 'master' of https://github.com/cocos2d/cocos2d-html5