Added slavic and mediteranean settlements, both with a small and a large version (in total 18 new maps).
These new settlements also are playable on the campaign and in CB by searching them on the CB city-map (list-option deactivated due to some issues with them). On the campaign map these new cities will automatically update as soon as the corresponding city level is reached. This doesnt apply to western european city-maps which will still start with large city walls due to a lack of small map variants (goal for the next update).