Added treasure gathering for ships. It would be cool to have
food.treasure, wood.treasure, and stone.treasure gathering types in
addition to the current metal.treasure.
This was SVN commit r8571.
2. Re-exported Celt Wall (it was originally exported off-center). Added
some player color fiddly bits.
3. Fixed wall Foundation Actors.
4. Enabled building of fishing boats from docks
(template_structure_military_dock).
5. Nerfed javelinist and archer attack.
This was SVN commit r8408.
