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.