merge 84-tests into 85-code-quality

.gitignore

cli/get.go

cli/http.go

cli/integration_test.go

cli/ygot.go

cmd/get.go

cmd/integration_test.go

nucleus/controller.go

nucleus/controller_test.go

nucleus/errors_test.go

nucleus/gnmi_transport_test.go

nucleus/http.go

nucleus/http_test.go

test/terraform/containers.tf