Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/device-ietf-l2vpn

hackfest/tfs-descriptors/device-all.json

hackfest/tfs-descriptors/device-netconf-openconfig.json

hackfest/tfs-descriptors/old/device.json

src/device/service/drivers/openconfig/OpenConfigDriver.py

...ce/drivers/openconfig/templates/interface/edit_config.xml

...nfig/templates/network_instance/interface/edit_config.xml

src/device/tests/Device_OpenConfig_Template.py

src/load_generator/load_gen/RequestGenerator.py

...e/service/service_handlers/l2nm_openconfig/ConfigRules.py

..._handlers/l2nm_openconfig/L2NMOpenConfigServiceHandler.py

...e/service/service_handlers/l3nm_openconfig/ConfigRules.py

..._handlers/l3nm_openconfig/L3NMOpenConfigServiceHandler.py