APC-Rewrite AI fix.

Before:  AI's on new APC system would constantly add more and more power usage to the APC

After:   AI's no longer handle their power consumption, that has been pushed off to an /obj/machinery/ai_powersupply dummy object which will process the power usage.  This is much cleaner because machinery objects are already processed properly for the new system and keeps us from having to rewrite a bunch of AI code to bring the AI in line with how the new APC system works.

Conflicts:
	code/modules/mob/living/silicon/ai/ai.dm

code/modules/mob/living/silicon/ai/ai.dm

@@ -126,6 +126,10 @@ var/list/ai_list = list()
 
 			job = "AI"
 
+	spawn(5)
+		new /obj/machinery/ai_powersupply(src)
+
+
 	hud_list[HEALTH_HUD]      = image('icons/mob/hud.dmi', src, "hudblank")
 	hud_list[STATUS_HUD]      = image('icons/mob/hud.dmi', src, "hudblank")
 	hud_list[ID_HUD]          = image('icons/mob/hud.dmi', src, "hudblank")
@@ -145,6 +149,37 @@ var/list/ai_list = list()
 	..()
 
 
+/*
+	The AI Power supply is a dummy object used for powering the AI since only machinery should be using power.
+	The alternative was to rewrite a bunch of AI code instead here we are.
+*/
+/obj/machinery/ai_powersupply
+	name="Power Supply"
+	active_power_usage=1000
+	use_power = 2
+	power_channel = EQUIP
+	var/mob/living/silicon/ai/powered_ai = null
+	invisibility = 100
+
+/obj/machinery/ai_powersupply/New(var/mob/living/silicon/ai/ai=null)
+	powered_ai = ai
+	if(isnull(powered_ai))
+		Del()
+
+	loc = powered_ai.loc
+	use_power(1) // Just incase we need to wake up the power system.
+
+	..()
+
+/obj/machinery/ai_powersupply/process()
+	if(!powered_ai || powered_ai.stat & DEAD)
+		Del()
+	if(!powered_ai.anchored)
+		loc = powered_ai.loc
+		use_power = 0
+	if(powered_ai.anchored)
+		use_power = 2
+
 /mob/living/silicon/ai/verb/pick_icon()
 	set category = "AI Commands"
 	set name = "Set AI Core Display"