Merge branch 'L2SS-769-implement-digital-beam' into 'master'

docker-compose/device-sdp.yml

...stationcontrol/tangostationcontrol/devices/beam_device.py

...ncontrol/tangostationcontrol/devices/device_decorators.py

...tationcontrol/tangostationcontrol/devices/lofar_device.py

...stationcontrol/tangostationcontrol/devices/sdp/beamlet.py

...ioncontrol/tangostationcontrol/devices/sdp/digitalbeam.py

tangostationcontrol/tangostationcontrol/devices/sdp/sdp.py

tangostationcontrol/tangostationcontrol/devices/tilebeam.py

...l/integration_test/default/devices/test_device_beamlet.py

...tegration_test/default/devices/test_device_digitalbeam.py

...l/tangostationcontrol/test/devices/test_beamlet_device.py