Added left multiplication with a scalar for Point.
Make Launcher an AnimatedNode (for animation of the level selection widget).
Fix critical bug in erase_if.
Remove unnecessary friend declaration in ZOrdered.
Added operator << () for class Rect
Initialize m_disabled properly in class Button
Fix centerOnPosition in ButtonFactoryBase
New methods reset() and isFinished() for Animation.
Implemented update position of elements in sorted containers.
Fix wrong sorting order for InputHandlerNode.
Minor comment update.
Remove unnecessary code in Application and AnimatedNode.
Animated Carousel implemented.