Generalized input task, update task and bullet task to accomodate any number of tanks.
made it so bullets are only deleted when they hit walls.
Update task slimmed down. Bullets cant wrap around if collision detection fails to delete sprite immediately.

Signed-off-by: haleighv <haleighv@gmail.com>
Repeat bullet problem fixed
moving selects on start screen
tanks game now has rounds
best 2 out of 3 rounds and health bar added