Fixed hunting rifle using incorrect animations online

-Ajusted pump shotguns a bit, screenshots are updated acordingly.
-disabled verticle aim animations on hunting rifle, wrist should no longer twist horribly.
-fixed error on the auto shotgun's deploy animation.

Added Grenade Launcher

Ajusted the hunting rifle to to be more L4D1-ish

Slight ajustments to the single pistol and military rifle

Screen Shots updated acordingly