add rackspace orchestration v1 client
diff --git a/rackspace/client.go b/rackspace/client.go
index 45199a4..439d846 100644
--- a/rackspace/client.go
+++ b/rackspace/client.go
@@ -187,3 +187,13 @@
 	}
 	return &gophercloud.ServiceClient{ProviderClient: client, Endpoint: url}, nil
 }
+
+// NewOrchestrationV1 creates a ServiceClient that may be used to access the v1 orchestration service.
+func NewOrchestrationV1(client *gophercloud.ProviderClient, eo gophercloud.EndpointOpts) (*gophercloud.ServiceClient, error) {
+	eo.ApplyDefaults("orchestration")
+	url, err := client.EndpointLocator(eo)
+	if err != nil {
+		return nil, err
+	}
+	return &gophercloud.ServiceClient{ProviderClient: client, Endpoint: url}, nil
+}