makes tkinter no longer end immediately once the game is over. sizes the
canvas to the board size
Changes debug code to read more accurately (e.g. doesn't preface
everything with "Robot")
fixes the winner choosing
reverses turnRight and turnLeft
Merge branch 'iss10'
Merge remote-tracking branch 'origin/iss10' into zacDev
fixes board.occupied and adds smartRandomScript.py which check for
collisions before going forward
Merge branch 'master' into iss10

Conflicts:
	actor.py
	board.py
	graphics.py
	projectile.py