New server content to support new caves
Added mobs:Angry Fire Goblin, Angry Sea Slime, Angry Green Slime.
Moved NPCs in sandstorm around.
Malvox got a house and lives in it now on 002-2
The mines go a layer deeper so the merchant was moved into the camp along with nathan.
Naem and Sema moved down with respective maps.
Sandstorm_mine_barrier is not mining_camp_barrier
Change id used by the supply chest npc, based on the merge in client-data.
Run 'make maps' for map changes and additions in and around Tulimshar.

Updated submodule pointer.