Added all the sounds needed for the remaining weapons.

Replaced the Pulsegun mesh with the one from the v338 demo. Has the same animations, but smoother normals due to many duplicate vertices being merged.

readme.txt

@@ -42,3 +42,10 @@ In progress:
  - Minigun (slot 7)
  - Rocket Launcher (slot 9)
  - Sniper Rifle (slot 0)
+
+Things to do eventually:
+
+ - Trim out unused animations.
+ - Add some more effects, maybe some nicer recoil on guns too.
+ - Unreal 1 weapons?
+ - Think of what item(s) the jump boots can replace.