- Add deep sea island treasure hunt mission, given from Vagabond in outpost - Setup metal detector sources for deep sea islands, only setup for tropical1 for now. Metal detector sources in the deep sea have their own loot list - Add IsValidSource to IMetalDetectable. Useful for defining spawned sources which can only be detected by players under certain circumstsances - Add 'soft completed' flag to objective statuses as an additional way of handling objective progress - Add ability to hide objective progress in mission objectives todo HUD