Blood/oil stain fixes

- Fixed item descriptions calling oil-stained items "bloody"
- Fixed mob examine describing oil-stained bare hands and feet as "bloody"
- Fixed blood overlays on shoes not updating after walking through different colored blood
- Removed some colons

code/game/objects/effects/decals/Cleanable/humans.dm

@@ -57,15 +57,21 @@ var/global/list/image/splatter_cache=list()
 	if((!l_foot || l_foot.status & ORGAN_DESTROYED) && (!r_foot || r_foot.status & ORGAN_DESTROYED))
 		hasfeet = 0
 	if(perp.shoes && !perp.buckled)//Adding blood to shoes
-		perp.shoes.blood_color = basecolor
-		perp.shoes:track_blood = max(amount,perp.shoes:track_blood)
-		if(!perp.shoes.blood_overlay)
-			perp.shoes.generate_blood_overlay()
-		if(!perp.shoes.blood_DNA)
-			perp.shoes.blood_DNA = list()
-			perp.shoes.blood_overlay.color = basecolor
-			perp.shoes.overlays += perp.shoes.blood_overlay
-		perp.shoes.blood_DNA |= blood_DNA.Copy()
+		var/obj/item/clothing/shoes/S = perp.shoes
+		if(istype(S))
+			S.blood_color = basecolor
+			S.track_blood = max(amount,S.track_blood)
+			if(!S.blood_overlay)
+				S.generate_blood_overlay()
+			if(!S.blood_DNA)
+				S.blood_DNA = list()
+				S.blood_overlay.color = basecolor
+				S.overlays += S.blood_overlay
+			if(S.blood_overlay && S.blood_overlay.color != basecolor)
+				S.blood_overlay.color = basecolor
+				S.overlays.Cut()
+				S.overlays += S.blood_overlay
+			S.blood_DNA |= blood_DNA.Copy()
 
 	else if (hasfeet)//Or feet
 		perp.feet_blood_color = basecolor

code/game/objects/items.dm

@@ -119,7 +119,7 @@
 			size = "huge"
 		else
 	//if ((CLUMSY in usr.mutations) && prob(50)) t = "funny-looking"
-	usr << "This is a [src.blood_DNA ? "bloody " : ""]\icon[src][src.name]. It is a [size] item."
+	usr << "This is a [blood_DNA ? blood_color != "#030303" ? "bloody " : "oil-stained " : ""]\icon[src][src.name]. It is a [size] item."
 	if(src.desc)
 		usr << src.desc
 	return