Merge pull request #456 from Zuhayr/master

Porting forensics from Aurora.

code/game/objects/items.dm

@@ -493,6 +493,12 @@ var/list/global/slot_flags_enumeration = list(
 		var/obj/item/clothing/gloves/G = src
 		G.transfer_blood = 0
 
+/obj/item/reveal_blood()
+	if(was_bloodied && !fluorescent)
+		fluorescent = 1
+		blood_color = COLOR_LUMINOL
+		blood_overlay.color = COLOR_LUMINOL
+		update_icon()
 
 /obj/item/add_blood(mob/living/carbon/human/M as mob)
 	if (!..())