-added Rock Saw (thanks to Evgeny!)

New weapon:
Divet (icon, lua, fire sound)

New models:
Semiconductor (color changeable)
Video recorder (texturetransform proxy)
Divet ammo
Peng (blink proxy)
Node

Updated models:
Credits (added skin from ds3)
Plasma ammo (added skin from ds2 multiplayer)

In the next update I plan to add:
Scheme from ds2
Resources from ds3
Artefacts from ds3

-added Weapon muzzle lighting;

-fixed stuff;

-fixed muzzle for Rivet Gun;

-fixed muzzle for Rivet Gun;