[CORD-1338] Adding onetomany relations to modeldefs

Change-Id: I213ebf807984adcc69edee91252ccd53f6ab1c25
diff --git a/group_vars/all b/group_vars/all
index f2e1b3b..2f3c749 100644
--- a/group_vars/all
+++ b/group_vars/all
@@ -106,4 +106,4 @@
 
 frontend_only: False
 
-xos_services: []
+xos_services: []
\ No newline at end of file