Created Item Prefab

Created and Added an Item prefab.
Merge pull request #52 from drobbs/master

Created Item Prefab
I believe this fixes the weapon/armor issue for now.
Merge pull request #53 from drobbs/FixingWeaponArmor

I believe this fixes the weapon/armor issue for now.
Adding End Scene functionality.

I didn't add the code for the GameplayStateMachine here. It can be explained later today.
Merge pull request #54 from drobbs/TestEndScene

Adding End Scene functionality.