xmetl's New FIXED Npc's

this is version 5.1 of xmetl's NPC pack, this will be the final release.

this package includes the following npcs:

-strider -combine APC -shield scanner -camera -Stalker -Fixed Resistance Turret (real EP2 model with 3 diffrent textures) -Vortigaunt slave -Uriah -Hunter-Chopper -Combine gunship -Combine dropship -Antlion guardian -Combine Sniper -hopper mine -combine shotgunner -prison shotgunner -ceiling turret -s.l.a.m. -fisherman

other things this package does:

-fixes weird stalker ragdoll glitch -fixes fisherman ragdoll -moves father grigori npc to humans+resistance category -moves metro police npc to combine category