Merge branch 'develop' into mb/plugin-registry-hashicorp-go-plugin

.gitignore

README.md

applications/venv-manager/main.go

applications/venv-manager/node/node.go

applications/venv-manager/venv-manager/venv-manager.go

cli/cmd/prompt.go

controller/controller.go

controller/event/event.go

controller/event/event_test.go

controller/interfaces/networkdomain/pnd.go

...roller/interfaces/networkelement/networkElementService.go

controller/mocks/NetworkDomain.go

controller/northbound/server/networkElement.go

controller/northbound/server/pnd.go

controller/northbound/server/pnd_test.go

controller/nucleus/databaseNetworkElementStore.go

controller/nucleus/databasePndStore.go

controller/nucleus/networkElementService.go

controller/nucleus/networkElementServiceMock.go

controller/nucleus/networkElementWatcher.go