added CLICK_EVENT to `FlxUITypedButton`
Merge pull request #1 from HaxeFlixel/dev

Getting up to date
Merge branch 'dev' of https://github.com/SeiferTim/flixel-ui into dev
Merge branch 'dev' of https://github.com/HaxeFlixel/flixel-ui into dev
Merge pull request #49 from SeiferTim/dev

Added `CLICK_EVENT` to `FlxUITypedButton.forceStateHandler`