Add casablanca branch to push-upstream/rebase

Change-Id: I09ce6e4d39f23ca9d555fa6fd390d0cc7c6952ad
diff --git a/jjb/dmaap/dmaap-datarouter-push-upstream-jobs.yaml b/jjb/dmaap/dmaap-datarouter-push-upstream-jobs.yaml
index ae291c2..dc936b9 100644
--- a/jjb/dmaap/dmaap-datarouter-push-upstream-jobs.yaml
+++ b/jjb/dmaap/dmaap-datarouter-push-upstream-jobs.yaml
@@ -25,6 +25,8 @@
     stream:
       - master:
           branch: '{stream}'
+      - casablanca:
+          branch: '{stream}'
 
     jobs:
       - '{project-name}-{stream}-push-upstream'