[Vertical slice] Inserted graphics prefabs and background for Vertical slice scene
Edit: same as last commit, but this time it will work
Merge branch 'master' of https://github.com/tiptoe/Sheep

Conflicts:
	Sheep/Assembly-CSharp-firstpass-vs.csproj
	Sheep/Assembly-CSharp-firstpass.csproj
	Sheep/Assembly-CSharp-vs.csproj
	Sheep/Assembly-CSharp.csproj
	Sheep/Sheep-csharp.sln
	Sheep/Sheep.sln

codopice?