added end screen
Merge branch 'master' of https://github.com/michael21115/MuseumThief into haleysGuard

Conflicts:
	Assets/Prefabs/security guard.prefab
	Assets/Scripts/guard.cs
Merge pull request #11 from michael21115/haleysGuard

Haleys guard
Added Exit Sign and Key w/ Particle in PreFabs
Merge branch 'master' of https://github.com/michael21115/MuseumThief
Merge branch 'master' of https://github.com/michael21115/MuseumThief into harry

Conflicts:
	GIT-Harry-csharp.sln
	GIT-Harry.sln