CORD-714, update configuration

Change-Id: I208faae5cecb40d051d72921b6d67a5f131c3870
diff --git a/xos/synchronizer/openstack_synchronizer_config b/xos/synchronizer/openstack_synchronizer_config
index f12db2a..3b7f8e9 100644
--- a/xos/synchronizer/openstack_synchronizer_config
+++ b/xos/synchronizer/openstack_synchronizer_config
@@ -2,7 +2,7 @@
 name=xos
 user=postgres
 password=password
-host=localhost
+host=xos_db
 port=5432
 
 [api]
@@ -19,11 +19,13 @@
 model_policies_dir=/opt/xos/synchronizers/openstack/model_policies
 logfile=/var/log/xos_backend.log
 save_ansible_output=True
-backoff_disabled=False
+backoff_disabled=True
 pretend=False
 images_directory=/opt/xos/images
 
-
 [feefie]
 client_id='vicci_dev_central'
 user_id='pl'
+
+[networking]
+use_vtn=True