Merge pull request #3 from nancywong/nancy

Nancy
will print board only if nothing option selected. Exit actually exits, Buy takes you to the options to buy towers
commit before pulling
Merge branch 'master' of https://github.com/nancywong/ComputerTowerDefense into nancy

Conflicts:
	ComputerTowerDefense/board.h
	ComputerTowerDefense/board.o
	ComputerTowerDefense/gamescreen.o
	ComputerTowerDefense/main
	ComputerTowerDefense/projectile.o
hardcoded path
commit before pulling
Merge branch 'master' of https://github.com/nancywong/ComputerTowerDefense into nancy
fixed off by one errors
commit before pulling
Merge branch 'master' of https://github.com/nancywong/ComputerTowerDefense into nancy
moveProjectiles isn't private
commit before pulling
Merge branch 'master' of https://github.com/nancywong/ComputerTowerDefense into nancy

Conflicts:
	ComputerTowerDefense/board.h