Merge branch 'L2SS-515-refactor-observation-control' into 'master'

.gitlab-ci.yml

docker-compose/device-boot.yml

docker-compose/device-observation-control.yml

sbin/run_integration_test.sh

sbin/tag_and_push_docker_image.sh

...stationcontrol/tangostationcontrol/devices/observation.py

...ontrol/tangostationcontrol/devices/observation_control.py

...n_test/default/devices/test_device_observation_control.py

...oncontrol/test/devices/test_observation_control_device.py