-tweaked nextbots so that the "iv04_nextbot_drop_weapons" convar affects them;
-added Crewman (unarmed)

-minor fixes;

-added Spartans;

-fixed cubemaps;

-added Covenant Cruiser with new convars to tweak!

-added Antenna to ODST;
-added Covenant Ship;

-updated cubemap for Warthog and Pelican;

-made it so nextbots play an animation when set on fire;

-tweaked descriptors;

-fixed C. Bounds for hogs;