Added preview panel
Updated licenses
updated cocos2d-html5 engine file
Fixes issue with keyframes being pasted outside of timeline
Removed comments
Added vision document
Removed not yet used controls in preview pane
Merge pull request #381 from linshun/develop

updated cocos2d-html5 engine file
Merge pull request #6 from cocos2d/develop

Develop
Merge remote-tracking branch 'remotes/origin/develop'

Conflicts:
	CocosBuilder/CocosBuilder.xcodeproj/project.pbxproj
	CocosBuilder/ccBuilder/en.lproj/MainMenu.xib
相关代码修正