Added Shooting sound and sound capabilities to the ResourceManager.
Merge branch 'master' of https://github.com/dot-bin/SlowJam2013

Conflicts:
	SlowJam2013/SlowJam2013/SlowJam2013/Project/Units/Player.cs
	SlowJam2013/SlowJam2013/SlowJam2013Content/SlowJam2013Content.contentproj