Merge branch 'L2SS-445-docker-logs' into 'master'

docker-compose/archiver.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/prometheus.yml

docker-compose/rest.yml

docker-compose/tango.yml

docs/source/developer.rst

docs/source/interfaces/logs.rst