cocos2d/cocos2d-x — pull request #7619 by andyque (2014-07-29 09:54:31+00:00)
Title: Add ui scale9 sprite

1. Add UIScale9Sprite to mimic the function of extension::Scale9Sprite and enhance the Scale9Sprite class.
2. Make all the UI classes which used extension::Scale9Sprite now uses ui::Scale9Sprite instead.
3. add UIScale9Sprite Tests
4. fix platform related compile errors