FlxAngle.rotatePoint() -> FlxPoint#rotate(), FlxAngle.getAngle() -> FlxPoint#angleBetween()
FlxPoint: remove inline from rotate() and angleBetween()
Merge pull request #1143 from Gama11/FlxAnglePoint

FlxAngle.rotatePoint() -> FlxPoint#rotate(), FlxAngle.getAngle() -> FlxPoint#angleBetween()