Encounters now recognize multiple spawn points

I've modified the Obsidian encounter code to recognize multiple spawn points. In this video we have the deck hands and marine deserters spawning on the deck, the first mate and Bosun up on the second deck and the captain behind the wheel:

The locations are determined by the mobs location in the encouter table, if there is no special location for them they go to the default location.

Special thanks to The Sword Coast Chronicles and Heed's Boardable ships] for the new ship area.