Unanchored stools and chairs

Players can still anchor/unanchor stools, chairs and beds with screwdrivers

code/game/objects/stool.dm

@@ -19,6 +19,13 @@
 		del(src)
 
 /obj/structure/stool/attackby(obj/item/weapon/W as obj, mob/user as mob)
+	if(istype(W, /obj/item/weapon/screwdriver))
+		if (src.anchored)
+			src.anchored = 0
+			user << "/blue You unfasten [src] from the floor."
+		else
+			src.anchored = 1
+			user << "/blue You fasten [src] to the floor."			
 	if(istype(W, /obj/item/weapon/wrench))
 		playsound(src.loc, 'Ratchet.ogg', 50, 1)
 		new /obj/item/stack/sheet/metal(src.loc)