Tried to get unit movement working with the state system again, but got
the same type conversion issue as before. For now, I just moved a bit of
code into unit from tile_default. We'll talk about how to fix it over the
weekend.
Merge branch 'master' of https://github.com/mrunderhill89/CMPS179-ByGloveAndDagger

Conflicts:
	levels/level1.fla