Added animation for moving up and down

Now animating moving up and down on track with button press (up down)
Added bounds to moving vehicle

Vehicle will no longer more more than one "space" above or below origin.
Each movement is y +/- 100
Sound and input

Commented out sound. Currently creates another loop of song if you quit
and start a new race. Also changed Answer text widget to work with
moving car.
Fixed moving

Added state to try and stop multiple animates
I'm retarded. Code works now.

No longer and error when multiple up or downs pressed.
Added Sound Button

Allows player to turn sound on and off
Once game is over or player quits sound is turned off
Fixing sound