[Issue]
  Button color is wrong.

[Cause]
  Color transform is not applied to the button's children.

[Fix]
  Added code to apply the color transform to button's children.
Reworked based on the feedback. (https://github.com/Moncader/SWFCrew/pull/67)
Merge pull request #67 from kuu/master

Fixed a bug regarding button's color transform.