Created Fire Burp w/ Blowback

Update your snail arch type and get a fire powerup. When shoot is
pressed a fireball breath blast is created which blows the character
backwards from the direction they were facing. Quite fun, really...
-Travis
Merge branch 'fire-powerup-branch'

Conflicts:
	gamefiles/Content/__pycache__/py_globalVariables.cpython-32.pyc
	gamefiles/Content/__pycache__/py_level_logic.cpython-32.pyc