Ajout du powerup
Merge branch 'master' of https://github.com/TastyWithPasta/GameboyJam2013

Conflicts:
	GbJamTotem/GbJamTotem/GbJamTotem/Game1.cs
	GbJamTotem/GbJamTotem/GbJamTotem/MenuScreen.cs
	GbJamTotem/GbJamTotem/GbJamTotem/Player.cs
	GbJamTotem/GbJamTotem/GbJamTotem/Totem.cs