CORD-654 configure MAAS via ansible module

Change-Id: I9f1b3b83b41d2cf1e87660d4a50fd3267ad1679a
diff --git a/roles/onos-fabric/templates/fabric-network-config.json.j2 b/roles/onos-fabric/templates/fabric-network-config.json.j2
index f39cf60..f29134c 100644
--- a/roles/onos-fabric/templates/fabric-network-config.json.j2
+++ b/roles/onos-fabric/templates/fabric-network-config.json.j2
@@ -212,7 +212,7 @@
         "org.onosproject.core" : {
             "core" : {
                 "linkDiscoveryMode" : "STRICT" // enable strict link validation
-            }    
+            }
         }
     }
 }