Prisoner Possession and Astral Form Working

-Created a Player and Prisoner object
-Added Possessable script for Prisoners
-Added PossessionMaster script for Player, which tracks Astral form
-Added switching between Prisoners that were already possessed
-Added First Person (Player) and Third Person (Prisoner) cameras
Merge pull request #1 from tdeeb/master

Prisoner Possession and Astral Form Working