Merge branch 'master' of https://git.astron.nl/lofar2.0/tango into L2SS-1032_use_constants_in_tests

docker-compose/lofar-device-base/Dockerfile

docker-compose/loki.yml

tangostationcontrol/requirements.txt

tangostationcontrol/setup.cfg

...tationcontrol/tangostationcontrol/common/type_checking.py

...trol/integration_test/default/devices/test_observation.py

...rol/tangostationcontrol/test/common/test_type_checking.py

...gostationcontrol/test/devices/test_antennafield_device.py

...rol/tangostationcontrol/test/devices/test_lofar_device.py