-maybe fixed muzzle flash on chain gun

-fixed chaingun WM rotation

-fixed chain gun worldmodel
-added menu icons
-fixed NPC weapons not spawning
-added chain gun variant without new left hand position

- no longer requires Upset's mod
- fixed kill icons

- Same fix as before, except hopefully there aren't any errors anymore

something stupid happened, so reverting to last version for now

- fixed plasma gun reload sound on dedicated servers (mostly)

- fixed double barrel shotgun shell rotation