Created Ice Projectile and Fireblast sprites

Mockups in the mockups folder and actual sprites in the
artfiles->sprites->powerups folder.
-Travis
Added Ice and Fire projectile sprites to Zero

Read above.
-Travis
Merge branch 'powerups-branch'

Conflicts:
	gamefiles/Content/__pycache__/py_character_movement.cpython-32.pyc
	gamefiles/Content/__pycache__/py_clockHunter.cpython-32.pyc
	gamefiles/Content/__pycache__/py_globalVariables.cpython-32.pyc
	gamefiles/Content/__pycache__/py_level_logic.cpython-32.pyc
	gamefiles/Content/__pycache__/py_pickupSettings.cpython-32.pyc
	gamefiles/Content/__pycache__/py_wall_sticky.cpython-32.pyc