Merge pull request #1157 from dingpinglv/Iss2844_RenameVersion

Closed #2844: Rename version 2.1.6 of Cocos2d-html5 to 2.2
temp
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into develop
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into develop
issue #2828 improve cc.UIWidget
issue #2828 add search path for CocoStudio
Merge branch 'master' of https://github.com/cocos2d/cocos2d-html5 into develop
issue #2828 improve code for Armature
issue #2828 set cc.ENABLE_PHYSICS_CHIPMUNK_DETECT = true
issue #2828 change the order of addEventListener parameters.
Closed #3048: cc.rect can receiving different type parameters now
Closed #3048: refactoring codes for performance
Merge pull request #1211 from dingpinglv/Iss3048_RectClone

Closed #3048: cc.rect can receiving different type parameters now
issue #2828  BERTH_LFETTOP Spell Wrong.
issue #2828 Change  RESOURCE_TYPE to TextureResType.
issue #2828 CCNode add baseBath
issue #2828 Fixed extend of scale9Sprite  that change Node to NodeRGBA
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into develop
issue #2828 Reset samples commit index.
Merge pull request #1212 from xingsenma/Cocostudio

issue #2828: Improve code for Cocostudio.