amon sul is persistant again

git-svn-id: http://svn.net-core.org/repos/t-engine4@393 51575b47-30f0-44d4-a5cc-537603b46e54

game/modules/tome/data/zones/tower-amon-sul/zone.lua

@@ -6,7 +6,7 @@ return {
 	width = 50, height = 50,
 	all_remembered = true,
 	all_lited = true,
---	persistant = true,
+	persistant = true,
 	generator =  {
 		map = {
 			class = "engine.generator.map.Roomer",