Update #74

Hey folks!

This minor update brings some fixes for textures and global map as well as a couple of other tweaks.

• Fixed hints on the global map;
• Fixed dialog windows textures;
• Fixed desert and nothern territories loading;
• Fixed cities coordinates on the global map;
• Fixed game crash after you build a mine near rocks on the coast;
• Map edges are now filled with textures on all ends to prevent black tiles showing where the map ends;

• Added furniture factory textures;
• Added new global map icons for barbarians and merchants;

• Farm productivity now depens on location.

Spring is near. Stay tuned for more.