Fixing CCScale9Sprites when loaded from CCB files to be able to change color and opacity
Fixing coloring in CCControlButtons by overriding the set/get color functions
Merge branch 'fix_cccontrolbutton' of git://github.com/Clarinexus/cocos2d-x into Clarinexus-fix_cccontrolbutton
Merge branch 'fix_ccscale9sprite' of git://github.com/Clarinexus/cocos2d-x into Clarinexus-fix_cccontrolbutton
fixed #2150: Updating ccb and ccbi files.
fixed #2150: Adding tests for this issue and fix compilation error of CCScale9Sprite.
fixed #2150: Updating AUTHORS.
Merge pull request #2556 from dumganhar/iss2150-color

fixed #2150: setColor and setOpacity of CCControlButton and CCScale9Sprite are broken.