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-collectors-datafile.yaml b/jjb/dcaegen2/dcaegen2-collectors-datafile.yaml
index d134548..35ac5ee 100644
--- a/jjb/dcaegen2/dcaegen2-collectors-datafile.yaml
+++ b/jjb/dcaegen2/dcaegen2-collectors-datafile.yaml
@@ -6,6 +6,8 @@
     stream:
       - 'master':
           branch: 'master'
+      - 'el-alto':
+          branch: 'el-alto'
     # apply to all jobs
     project: 'dcaegen2/collectors/datafile'
     mvn-settings: 'dcaegen2-collectors-datafile-settings'