Changes:

- Fix: Performance issue affecting large cities
- Fix: Old tax office and bailiff visual are now unlocked with the Lord Manor stone set
- Fix: Default save game name is back to village name
- Fix: Map modding - Error that spawn more trees than expected
- Fix: Map modding - Remove unexpected default fishing spots

- Modding: Expose
- BUILDING_PART_HOUSING_SERF_DENSITY_1
- BUILDING_PART_HOUSING_SERF_DENSITY_2
- BUILDING_PART_HOUSING_CITIZEN_DENSITY_1
- BUILDING_PART_HOUSING_CITIZEN_DENSITY_2