Adding a notification step if docker-publish job fails

Change-Id: I0a81896fe67b3d9eeb1901ceb21113c6833e459f
diff --git a/jjb/verify/xos-rest-gw.yaml b/jjb/verify/xos-rest-gw.yaml
index 892dbc5..5af8c16 100644
--- a/jjb/verify/xos-rest-gw.yaml
+++ b/jjb/verify/xos-rest-gw.yaml
@@ -25,5 +25,6 @@
     name: 'publish-xos-rest-gw-jobs'
     jobs:
       - 'docker-publish':
+          maintainers: "teo@opennetworking.org"
           docker-repo: 'xosproject'
           dependency-jobs: 'version-tag'