Merge branch 'master' into L2SS-429-timescaledb-container

docker-compose/device-observation_control.yml

docker-compose/device-recv.yml

docker-compose/device-sdp.yml

docker-compose/device-sst.yml

docker-compose/device-unb2.yml

docker-compose/device-xst.yml

docker-compose/elk.yml

docker-compose/elk/logstash/conf.d/20-parse-grafana.conf

docker-compose/elk/logstash/conf.d/21-parse-prometheus.conf

docker-compose/elk/logstash/conf.d/22-parse-tango-rest.conf

docker-compose/elk/logstash/conf.d/23-parse-maria-db.conf

docker-compose/grafana.yml

docker-compose/grafana/Dockerfile

docker-compose/grafana/dashboards/home.json

docker-compose/grafana/dashboards/sensors.json

docker-compose/integration-test.yml

docker-compose/itango.yml

docker-compose/itango/lofar-requirements.txt

docker-compose/jupyter/Dockerfile

docker-compose/lofar-device-base.yml