Feature/import parking machines from wfs

[juuso-j]

Import parking machines from WFS

Trello #105

---

Breakdown:

WFS importer

1. mobility_data/importers/data/wfs_importer_config.yml
   • Add configuration for parking machines
2. mobility_data/importers/data/wfs_importer_config_example.yml
   • Add translate_fi_address_field and translate_fi_address_municipality_id
3. mobility_data/importers/wfs.py
   • Add feature to store address with translations

Other

1. mobility_data/README.md
   • Update info about importing parking machines
2. mobility_data/management/commands/import_parking_machines.py
   • Add deprecation info
3. mobility_data/tasks.py
   • Import parking machines with the WFS importer
4. mobility_data/tests/test_api.py
   • Fix faulty assertion