added 2nd Projectile
added Sheriff logic
Merge branch 'master' of https://github.com/gollabaer/ZombieTD

Conflicts:
	ZombieTD/ZombieTD/ZombieTD/ZombieTD.csproj.Debug.cachefile
	ZombieTD/ZombieTD/ZombieTDContent/ZombieTDContent.contentproj