removed unused fields
added class TheGame

clarifies ownership of board, renderer
Add "New Game" button
Merge pull request #1 from puppe/new-game-button

Add "New Game" button
move animations
Merge remote-tracking branch 'github/master' into dev

Conflicts:
	src/com/example/powers2/GameActivity.java
	src/com/example/powers2/GameView.java
"popping" animation

animation for tiles that increase value
"fade in" animation
changed background color