Adjusted the heightmap to make the terrain more realistic than before.
Adapted to the new version of positions of activities.
Relocated some cities to match the real situation.
Revised some borders of Iberia.

Because 1.4 does not have any changes to the map, this update only modifies the version number.

Adjusted the file structure of the common folder to improve its compatibility.

Updated for 1.3

Fixed a coordinates error in the western waters of the British Isles.