Merge pull request #1 from michael21115/room_spawning

Pre-Branching (Mike, August 5th, 2014)
added thief from maya can you add it to prefabs
Merge pull request #2 from michael21115/floorGen

End of Class Push
Merge pull request #3 from michael21115/player

added thief from maya can you add it to prefabs
Harry's Branch
Merge pull request #4 from michael21115/harry

Harry's Branch
Adjusted all the models to use in world gen by separating models and prefabs. Now models have a dedicated folder and prefabs a separate folder (keep only one prefab per tile type at any time, properly tagged ).