Yet Another Circuit Update (#5549)

* Circuit updates, adds new components, improves printer, new assemblies.

* Finishes powernet circuit.

* Adds wearable assemblies.

* Finialization before merging with GLOB port.

* Finishes circuit update, hopefully.

* Forgot to undo map.

* Removes debug output.

code/game/objects/effects/overlays.dm

@@ -94,3 +94,8 @@
 	icon_state = "snowwall"
 	plane = MOB_PLANE
 	layer = ABOVE_MOB_LAYER
+
+/obj/effect/overlay/holographic
+	mouse_opacity = FALSE
+	anchored = TRUE
+	plane = ABOVE_PLANE