Bleeding edgy refresh (#303)

* not code stuff

* other things

* global vars, defines, helpers

* onclick hud stuff, orphans, world.dm

* controllers and datums

* game folder

* everything not client/mobs in modules

* client folder

* stage 1 mob stuff

* simple animal things

* silicons

* carbon things

* ayylmaos and monkeys

* hyoomahn

* icons n shit

* sprite fixes

* compile fixes

* some fixes I cherrypicked.

* qdel fixes

* forgot brain refractors

code/modules/shuttle/supply.dm

@@ -72,7 +72,7 @@ var/list/blacklisted_cargo_types = typecacheof(list(
 
 	var/list/empty_turfs = list()
 	for(var/turf/open/floor/T in areaInstance)
-		if(T.density || T.contents.len)
+		if(is_blocked_turf(T))
 			continue
 		empty_turfs += T