Wrote a ChangeAnimation interface that is easier than what was being
done before.
Added Woosh sound to the DestroyAnimation.
Refactored AudioResource.
Updated AudioResource to pull a single resource per context.
Added a GameLayout that will display a score at the top of the screen.
Refactored Board to be of a different observable type that will allow
for easier score keeping.
Added rudimentary behavior for tracking score.
Added font resources.
Added documentation.
Added floating Text for score and bonus moves.
Added an animation to display when a streak occurs.
Added Game Over animation and sounds.
Fixed a small bug in BasicObservable. Added a GraphicResource and a Move
icon.
Minor hierarchy change.
Added icons to the ScoreView.
Adjusted ScoreView more to be more visually pleasing.
Added tap to start new game.
Made text scale better and border of ScoreView scale better.