Waypoint 12 - Fix to VisitedSystem co-ords
Waypoint 12 - Fix to VisitedSystem co-ords

Items in DB had 0,0,0 as their position as an invalid marker, screen
them out..

klightspeed/EDDiscovery,EDDiscovery/EDDiscovery,klightspeed/EDDiscovery,klightspeed/EDDiscovery,EDDiscovery/EDDiscovery,andreaspada/EDDiscovery,EDDiscovery/EDDiscovery,andreaspada/EDDiscovery