fixed floorlayer compile errors, added can_burn to wood floors (#18)

Fixes some compile errors with the floor layer, and adds the can_burn tag to wooden floors. For some reason tiles had it and wood didnt

code/game/machinery/floorlayer.dm

@@ -84,9 +84,9 @@
 		var/turf/simulated/floor/T = new_turf
 		if(!T.is_plating())
 			if(!T.broken && !T.burnt)
-				new T.floor_type(T)
+				new T.flooring.build_type()
 			T.make_plating()
-		return !new_turf.intact
+		return T.is_plating()
 	return 0
 
 /obj/machinery/floorlayer/proc/TakeNewStack()

code/game/turfs/flooring/flooring.dm

@@ -143,7 +143,7 @@ var/list/flooring_types
 	damage_temperature = T0C+200
 	descriptor = "planks"
 	build_type = /obj/item/stack/tile/wood
-	flags = TURF_CAN_BREAK | TURF_IS_FRAGILE | TURF_REMOVE_SCREWDRIVER
+	flags = TURF_CAN_BREAK | TURF_IS_FRAGILE | TURF_REMOVE_SCREWDRIVER | TURF_CAN_BURN
 
 /decl/flooring/reinforced
 	name = "reinforced floor"