run 'make maps' for client data changes.

update submodule pointer for client data.
Reenable the MoneyChanger in the casino to sell Casino Coins.

Adjust the buy-price of casino coins in item_db
to be the same as the sell-price.
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.
Tulimshar Sewer Warp fix
Modified NPCs scripts for sewer entrances. Fixed sewer_west
Small formatting, naming and position fixups on the sewer warp scripts.

- The Eastern entrance wasn't directly on the entrance tile
- Indentation was too much for some lines
- The Labels in all three scripts were named L_SewerNorth, renaming to L_Sewer
- Put the Label L_Close directly in the menu instead of below
Run 'make maps' for map changes and update submodule pointer.
Add an option to disable global timers for debugging
Typo fix, reported by Yummie
Typo fix

Signed-off-by: Plaque_fcc <Plaque_fcc@github>
Warp Towels: block them from working in Candor or the Yeti battle cave.
Refactor all calls within an if, which is illegal
Merge pull request #20 from o11c/master

Refactor callfunc and callsub out of if statements
Add news entry for the upcoming release, update submodule pointer.
Fix unintended fallthrough in annualeaster script.
Run 'make maps' for collision changes, update submodule pointer.
Run 'make maps' for collision changes on 043-1, update submodule pointer.
Add another paramter to gain_xp, allowing removal of spell_index