Add el-alto branch job and gerrit release jobs

Change-Id: Iddbbd891bb3242fe90ae4d873ca6672c7f4c6fff
Signed-off-by: Vijay Venkatesh Kumar <vv770d@att.com>
Issue-ID: DCAEGEN2-1578
Issue-ID: DCAEGEN2-1669
diff --git a/jjb/dcaegen2/dcaegen2-deployments.yaml b/jjb/dcaegen2/dcaegen2-deployments.yaml
index f1943d4..d8f4460 100644
--- a/jjb/dcaegen2/dcaegen2-deployments.yaml
+++ b/jjb/dcaegen2/dcaegen2-deployments.yaml
@@ -11,6 +11,8 @@
     stream:
       - 'master':
           branch: 'master'
+      - 'el-alto':
+          branch: 'el-alto'
     mvn-settings: 'dcaegen2-deployments-settings'
     # due to a strange macro / variable translation problem this needs
     # to be passed as a string block to properly get the properties