Add move timer to Sugar GNUChess
completed by: Aneesh Dogra
mentors: Walter Bender
This task is to add a timer to the Sugar GUNChess activity. The timer should as a time alert to set a time limit on each player's turn. The time should be set on or off on the Adjust toolbar. If time expires, a second alert to appear, If a move is made, the alert should dismiss.