project clean up. add pickup/drop script. LRO DEM

Cleaned up project view. _bin contains all original crap, please use
folder structure as seen from now. Delete things from _bin that are no
longer needed.

Added script pickup/drop for weapons. Just need to remove rigid body on
pickup from the weapon object to avoid buggy behavior.

Initial LRO DEM proof of concept for terrain generation.
fixed bug in weapon pickup/drop

Disables physics on game object when picked up to prevent it from
bouncing around and falling off the map/heights.
Aim Down Sites

Aiming down the SItes now works.  we might want to switch to C#
scripting in the near future.  But the general functionality works.
Fixed main menu

bits broke main menu.  i fixed it!  you silly dev.
added basic fire weapon functionality

its in drop/pickup scene
pickup/drop & fire weapon updates

Fixed floating gun on drop.

Completed basic fire weapon functionality.
Update

Game Updated to Unity 4.5.5
files commit

nothing of importance