Alien Ruin fix, various cherrypicked upstream fixes

Also adds new buildmode

code/game/objects/items/clown_items.dm

@@ -62,7 +62,6 @@
 		return
 	//I couldn't feasibly  fix the overlay bugs caused by cleaning items we are wearing.
 	//So this is a workaround. This also makes more sense from an IC standpoint. ~Carn
-	SEND_SIGNAL(target, COMSIG_COMPONENT_CLEAN_ACT, CLEAN_MEDIUM)
 	if(user.client && ((target in user.client.screen) && !user.is_holding(target)))
 		to_chat(user, "<span class='warning'>You need to take that [target.name] off before cleaning it!</span>")
 	else if(istype(target, /obj/effect/decal/cleanable))
@@ -89,7 +88,7 @@
 			var/obj/effect/decal/cleanable/C = locate() in target
 			qdel(C)
 			target.remove_atom_colour(WASHABLE_COLOUR_PRIORITY)
-			SEND_SIGNAL(target, COMSIG_COMPONENT_CLEAN_ACT, CLEAN_STRENGTH_BLOOD)
+			SEND_SIGNAL(target, COMSIG_COMPONENT_CLEAN_ACT, CLEAN_MEDIUM)
 			target.wash_cream()
 	return
 
@@ -169,4 +168,4 @@
 	name = "Canned Laughter"
 	desc = "Just looking at this makes you want to giggle."
 	icon_state = "laughter"
-	list_reagents = list("laughter" = 50)
+	list_reagents = list("laughter" = 50)