fixing bugs in
Scale9prite regarding trimmed vs. untrimmed
As mentioned in a previous message, Cocos Creator uses the trimmed rectangle as its reference, while Scale9Sprite uses its untrimmed rectangle (which I think is the correct way to do it).
But since I modified the Srpite code to be compatible with Creator, now I'm fixing that in Scale9Sprite.
I haven't finish it yet, but almost there.