merged SNMP master

CDB/thijs_ConfigDb.json

devices/PCC.py

devices/SDP.py

devices/SNMP.py

devices/clients/SNMP_client.py

devices/clients/ini_client.py

devices/ini_device.py

devices/test_device.py

devices/util/archiver.py

devices/util/get_internal_attribute_history.py

devices/util/lofar2_config.py

devices/util/lofar_logging.py

devices/util/startup.py

docker-compose/Makefile

docker-compose/jupyter/Dockerfile

jupyter-notebooks/ini_device.ipynb