New bluespace artillery sprites by Ausops.

Updated the gun/my map to use them.

Fixed an error in the holo-deck logging. "overrided" is not a fucking word.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@4888 316c924e-a436-60f5-8080-3fe189b3f50e

code/modules/awaymissions/bluespaceartillery.dm

@@ -13,10 +13,13 @@
 
 /obj/structure/artilleryplaceholder
 	name = "artillery"
-	icon = 'icons/obj/machines/particle_accelerator.dmi'
+	icon = 'icons/obj/machines/artillery.dmi'
 	anchored = 1
 	density = 1
 
+/obj/structure/artilleryplaceholder/decorative
+	density = 0
+
 /obj/machinery/artillerycontrol/attack_hand(mob/user as mob)
 	user.machine = src
 	var/dat = "<B>Bluespace Artillery Control:</B><BR>"