Key issues

--PoD Vanilla Stairway
--Boss should not be allowed key
--Scale back on aggressive layouts
Merge of attic hint
Non-chest keys hints added for figuring out how to get rid of them

RoomData.py

@@ -279,6 +279,7 @@ class Room(object):
 
     def delete(self, list_idx):
         self.doorList[list_idx] = (Position.FF, DoorKind.FF)
+        self.modified = True
 
     def address(self):
         return self.doorListAddress