Merge branch 'fix-commit-confirm' into 'develop'

.gitignore

api/pnd.go

api/pnd_test.go

initialise_test.go

interfaces/change/change.go

interfaces/networkdomain/pnd.go

mocks/Change.go

mocks/NetworkDomain.go

mocks/SouthboundInterface.go

nucleus/change.go

nucleus/change_test.go

nucleus/gnmi_transport.go

nucleus/initialise_test.go

nucleus/principalNetworkDomain.go

nucleus/principalNetworkDomain_test.go

nucleus/store.go

nucleus/store_test.go