L2SS-287: Use standardized packaging directory structure

.gitignore

devices/.stestr.conf

devices/LICENSE.txt

devices/__init__.py

docker-compose/integration-test.yml

tangostationcontrol/.stestr.conf

tangostationcontrol/README.md

tangostationcontrol/requirements.txt

tangostationcontrol/setup.cfg

tangostationcontrol/setup.py

tangostationcontrol/tangostationcontrol/__init__.py

tangostationcontrol/tangostationcontrol/clients/README.md

tangostationcontrol/tangostationcontrol/clients/__init__.py

...ncontrol/tangostationcontrol/clients/attribute_wrapper.py

...tationcontrol/tangostationcontrol/clients/comms_client.py

...ationcontrol/tangostationcontrol/clients/docker_client.py

...tationcontrol/tangostationcontrol/clients/opcua_client.py

...ncontrol/tangostationcontrol/clients/statistics_client.py

...l/tangostationcontrol/clients/statistics_client_thread.py

...tioncontrol/tangostationcontrol/clients/tcp_replicator.py