Added a Button mixin and a SimpleButton component.
Cleaned up some method names in button classes.
Adding in panel, imagebutton and tooltip components.
Adding in panel, imagebutton and tooltip components.
Added an animate method to Node.
Removed doStart and doStop methods from Animator. Added in a callback function for animator that gets executed when anim completes. This will allow chaining. Added a clear method to better encapsulated resetting an animation back to the default state.
Fixed a bug where extra doSmoothMouseOvers were being called during view creation. Button now redraws on focus/blur. Focus embellishment is off by default for Button.