TG sync Sunday (#201)

* stage one

* datums and shit

* game stuff

* modules

* tgstation.dme

* tools

* these things for icons

* compiling fixes

* merge spree on TG

* other updates

* updated maps with deepfryers

* My helpers were not helping

code/modules/atmospherics/environmental/LINDA_fire.dm

@@ -149,15 +149,13 @@
 /obj/effect/hotspot/Destroy()
 	SetLuminosity(0)
 	SSair.hotspots -= src
-	if(isturf(loc))
-		var/turf/open/T = loc
-		if(T.active_hotspot == src)
-			T.active_hotspot = null
+	var/turf/open/T = loc
+	if(istype(T) && T.active_hotspot == src)
+		T.active_hotspot = null
 	DestroyTurf()
 	loc = null
 	. = ..()
 
-
 /obj/effect/hotspot/proc/DestroyTurf()
 	if(isturf(loc))
 		var/turf/T = loc