Ensure revolvers are holsterable, with exceptions

Makes base revolver datum holsterable
Excludes grenade launchers, advanced mimery

code/modules/projectiles/guns/energy/stun.dm

@@ -16,6 +16,7 @@
 	ammo_type = list(/obj/item/ammo_casing/energy/shock_revolver)
 	can_flashlight = 0
 	shaded_charge = FALSE
+	can_holster = TRUE  // Pistol size
 
 /obj/item/gun/energy/gun/advtaser
 	name = "hybrid taser"

code/modules/projectiles/guns/projectile/launchers.dm

@@ -9,6 +9,7 @@
 	mag_type = /obj/item/ammo_box/magazine/internal/grenadelauncher
 	fire_sound = 'sound/weapons/grenadelaunch.ogg'
 	w_class = WEIGHT_CLASS_NORMAL
+	can_holster = FALSE  // Not your normal revolver
 
 /obj/item/gun/projectile/revolver/grenadelauncher/attackby(obj/item/A, mob/user, params)
 	..()

code/modules/projectiles/guns/projectile/revolver.dm

@@ -5,6 +5,7 @@
 	mag_type = /obj/item/ammo_box/magazine/internal/cylinder
 	origin_tech = "combat=3;materials=2"
 	fire_sound = 'sound/weapons/gunshots/gunshot_strong.ogg'
+	can_holster = TRUE
 
 /obj/item/gun/projectile/revolver/New()
 	..()
@@ -158,6 +159,7 @@
 	fire_sound_text = null
 	lefthand_file = null
 	righthand_file = null
+	can_holster = FALSE // Get your fingers out of there!
 	trigger_guard = TRIGGER_GUARD_ALLOW_ALL
 	clumsy_check = 0 //Stole your uplink! Honk!
 	needs_permit = 0 //go away beepsky