Merge branch 'master' into 2021-04-07-cleanup

CDB/test_ConfigDb.json

CDB/thomas_arm64_ConfigDb.json

CDB/windows_ConfigDb.json

devices/APSCTL.py

devices/LICENSE.txt

devices/PCC.py

devices/SDP.py

devices/__init__.py

devices/clients/opcua_connection.py

devices/clients/test_client.py

devices/examples/HW_device_template.py

devices/setup.cfg

devices/test_device.py

devices/util/archiver.py

devices/util/attribute_wrapper.py

devices/util/comms_client.py

devices/util/hardware_device.py

devices/versioneer.py

docker-compose/archiver.yml

docker-compose/device-pcc.yml