Make vore jukebox re-constructable

* Put in our own circuit board so de-constructing and re-constructing gets the same machine back.
* Polaris now has all the same icon states as we do! We don't need our own jukebox_vr.dmi anymore.

code/game/machinery/jukebox_vr.dm

@@ -1,7 +1,7 @@
 // The improved, hackable jukebox for vorestation!
 
 /obj/machinery/media/jukebox/vore
-	icon = 'icons/obj/jukebox_vr.dmi'
+	circuit = /obj/item/weapon/circuitboard/jukebox/vore
 	secret_tracks = list(
 		new/datum/track("Bandit Radio", 'sound/music/jukebox/bandit_radio.ogg'),
 		new/datum/track("Ghost Fight (Toby Fox)", 'sound/music/jukebox/TobyFoxGhostFight.mid'),

code/game/objects/items/weapons/circuitboards/circuitboards_vr.dm

@@ -0,0 +1,10 @@
+#ifndef T_BOARD
+#error T_BOARD macro is not defined but we need it!
+#endif
+
+// VOREStation specific circuit boards!
+
+// Our own board so deconstructing and reconstructing gets the same machine back...
+/obj/item/weapon/circuitboard/jukebox/vore
+	name = T_BOARD("VORE jukebox")
+	build_path = /obj/machinery/media/jukebox/vore

vorestation.dme

@@ -888,6 +888,7 @@
 #include "code\game\objects\items\weapons\weldbackpack.dm"
 #include "code\game\objects\items\weapons\circuitboards\broken.dm"
 #include "code\game\objects\items\weapons\circuitboards\circuitboard.dm"
+#include "code\game\objects\items\weapons\circuitboards\circuitboards_vr.dm"
 #include "code\game\objects\items\weapons\circuitboards\frame.dm"
 #include "code\game\objects\items\weapons\circuitboards\mecha.dm"
 #include "code\game\objects\items\weapons\circuitboards\other.dm"