update xproto class name & let mme show up in service list in GUI with custom_types

Change-Id: I466058d298453a7323f2cb63cb588e34e626b41b
diff --git a/xos/vmme-onboard.yaml b/xos/vmme-onboard.yaml
index 214d576..98d49e8 100644
--- a/xos/vmme-onboard.yaml
+++ b/xos/vmme-onboard.yaml
@@ -13,9 +13,10 @@
           base_url: file:///opt/xos_services/vmme/xos/
           # The following will concatenate with base_url automatically, if
           # base_url is non-null.
-          models: models.py
+          xproto: ./
           admin: admin.py
           admin_template: templates/mcordadmin.html  
+          tosca_custom_types: tosca/custom_types/vmme.yaml
           synchronizer: synchronizer/manifest  
           synchronizer_run: vmme-synchronizer.py
           tosca_resource: tosca/resources/vmmetenant.py, tosca/resources/vmmeservice.py