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/modules/mining/mine_turfs.dm

@@ -109,7 +109,6 @@ var/list/artifact_spawn = list() // Runtime fix for geometry loading before cont
 			else
 				icon_state = "rock_[mineral.name]"
 
-
 	//Not even going to touch this pile of spaghetti
 	attackby(obj/item/weapon/W as obj, mob/user as mob)
 
@@ -560,4 +559,4 @@ var/list/artifact_spawn = list() // Runtime fix for geometry loading before cont
 			else if(istype(R.module_state_3,/obj/item/weapon/storage/bag/ore))
 				attackby(R.module_state_3,R)
 			else
-				return
+				return