Added speed boost after a certain amount of bricks remain

Reset board after all bricks are destroyed

core/src/com/me/brickbuster/BrickBuster.java

@@ -60,6 +60,10 @@ public class BrickBuster extends ApplicationAdapter {
 		}
 		ball.update(dt);
 		paddle.update(dt);
+		if (getBricks().isEmpty()) {
+			create();
+			playing = false;
+		}
 	}
 
 	@Override