Added a garbage collector implementation based on rumors from Goon and proc references in released gooncode.

And holy shit it's fast

Conflicts:
	baystation12.dme
	code/ATMOSPHERICS/pipes.dm
	code/game/machinery/Sleeper.dm
	code/game/machinery/rechargestation.dm
	code/game/objects/structures/crates_lockers/crates.dm
	code/game/objects/structures/tables_racks.dm
	code/modules/mining/mine_turfs.dm
	code/modules/paperwork/photocopier.dm
	code/modules/power/cable.dm
	html/changelog.html

code/controllers/master_controller.dm

@@ -27,6 +27,7 @@ datum/controller/game_controller
 	var/nano_cost		= 0
 	var/events_cost		= 0
 	var/ticker_cost		= 0
+	var/gc_cost         = 0
 	var/total_cost		= 0
 
 	var/last_thing_processed
@@ -64,6 +65,9 @@ datum/controller/game_controller/proc/setup()
 	if(!ticker)
 		ticker = new /datum/controller/gameticker()
 
+	if(!garbage)
+		garbage = new /datum/controller/garbage_collector()
+
 	setup_objects()
 	setupgenetics()
 	setupfactions()
@@ -216,8 +220,14 @@ datum/controller/game_controller/proc/process()
 				ticker.process()
 				ticker_cost = (world.timeofday - timer) / 10
 
+				// GC
+				timer = world.timeofday
+				last_thing_processed = garbage.type
+				garbage.process()
+				gc_cost = (world.timeofday - timer) / 10
+
 				//TIMING
-				total_cost = air_cost + sun_cost + mobs_cost + diseases_cost + machines_cost + objects_cost + networks_cost + powernets_cost + nano_cost + events_cost + ticker_cost
+				total_cost = air_cost + sun_cost + mobs_cost + diseases_cost + machines_cost + objects_cost + networks_cost + powernets_cost + nano_cost + events_cost + ticker_cost + gc_cost
 
 				var/end_time = world.timeofday
 				if(end_time < start_time)
@@ -252,7 +262,7 @@ datum/controller/game_controller/proc/process_machines()
 	var/i = 1
 	while(i<=machines.len)
 		var/obj/machinery/Machine = machines[i]
-		if(Machine)
+		if(Machine && Machine.loc)
 			last_thing_processed = Machine.type
 			if(Machine.process() != PROCESS_KILL)
 				if(Machine)
@@ -266,7 +276,7 @@ datum/controller/game_controller/proc/process_objects()
 	var/i = 1
 	while(i<=processing_objects.len)
 		var/obj/Object = processing_objects[i]
-		if(Object)
+		if(Object && Object.loc)
 			last_thing_processed = Object.type
 			Object.process()
 			i++