Complete Overhaul

This update completely changed a lot of systems.

Firstly: Rooms now have a newer model, with some depth to the walls.
Second: The map's marker has been replaced by a rotating version that shows your direction. The compass now points towards the...
Third: Beacon. It has a new model, with with a different particle effect using force fields.
Fourth: A void fog has been added so that props and players falling through will fade away. This may affect performance, however...
Finally: Jumping has been reworked. Now, you can jump on anything, but at the cost of the climbing mechanic (which I felt was a little overpowered and unbalanced anyway)