The Return of the Shoulder Holster

- Detective's shoulder holster now only fits projectile-based (not
energy) handguns.
- Swaps the detective's belt holster for the old shoulder holster.
- Makes some specific handguns actually fit inside of holsters.

- Unrelated: Removes a debug output from
/code/modules/power/singularity/generator.dm

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

@@ -9,6 +9,8 @@
 	fire_sound = 'sound/effects/Explosion1.ogg'
 	origin_tech = "combat=3"
 	mag_type = "/obj/item/ammo_box/magazine/m75"
+	isHandgun()
+		return 1
 
 /obj/item/weapon/gun/projectile/automatic/gyropistol/New()
 	..()

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

@@ -6,6 +6,8 @@
 	origin_tech = "combat=2;materials=2;syndicate=2"
 	mag_type = "/obj/item/ammo_box/magazine/m10mm"
 	can_suppress = 1
+	isHandgun()
+		return 1
 
 /obj/item/weapon/gun/projectile/automatic/pistol/update_icon()
 	..()
@@ -19,6 +21,8 @@
 	w_class = 3.0
 	origin_tech = "combat=3;materials=2"
 	mag_type = "/obj/item/ammo_box/magazine/m45"
+	isHandgun()
+		return 1
 
 
 /obj/item/weapon/gun/projectile/automatic/m2411/update_icon()
@@ -32,6 +36,8 @@
 	icon_state = "deagle"
 	force = 14.0
 	mag_type = "/obj/item/ammo_box/magazine/m50"
+	isHandgun()
+		return 1
 
 /obj/item/weapon/gun/projectile/automatic/deagle/update_icon()
 	..()