Automatic pistol, nutriment and sprites fixes (#1617)

-fix #1217
-fix being unable to put the tactical pistol into belts/holsters, also remove needless code from it
-fix the scout rifle not accepting other magazines
-fix the hardsuit nutriment being useless and just dealing minor toxin damage
-fix missing tactical masks and tapes from unathi and tajaran sprites
-fix tapes cuffs, blinders and etc not updating when equiped to said mob
-some extra tweaks to the hud code

code/modules/reagents/reagent_containers/blood_pack.dm

@@ -42,7 +42,7 @@
 /obj/item/weapon/reagent_containers/blood/attack(mob/living/carbon/human/M as mob, mob/living/carbon/human/user as mob, var/target_zone)
 	if (user == M && (user.mind.vampire))
 		if (reagents.get_reagent_amount("blood"))
-			user.visible_message("<span class='warning'>[user] raises \the [src] up to \his[user] mouth and bites into it.</span>", "<span class='notice'>You raise \the [src] up to your mouth and bite into it, starting to drain its contents.<br>You need to stand still.</span>")
+			user.visible_message("<span class='warning'>[user] raises \the [src] up to their mouth and bites into it.</span>", "<span class='notice'>You raise \the [src] up to your mouth and bite into it, starting to drain its contents.<br>You need to stand still.</span>")
 			vampire_marks = TRUE
 			if (!src.other_DNA.len)
 				src.other_DNA += M.dna.unique_enzymes
@@ -179,4 +179,4 @@
 
 /obj/item/weapon/reagent_containers/blood/ripped/attackby(obj/item/weapon/P as obj, mob/user as mob)
 	user << "<span class='warning'>You can't do anything further with this.</span>"
-	return
+	return