Add QA Jenkins jobs for onos-2.7

Change-Id: Iae3d362bea9aa61bdd0521886c5e969159ba56da
diff --git a/jjb/OnosSystemTest/onos-test-freestyle.yaml b/jjb/OnosSystemTest/onos-test-freestyle.yaml
index 53d5662..4154936 100644
--- a/jjb/OnosSystemTest/onos-test-freestyle.yaml
+++ b/jjb/OnosSystemTest/onos-test-freestyle.yaml
@@ -21,6 +21,7 @@
       - '2.4'
       - '2.5'
       - '2.6'
+      - '2.7'
       - 'master'
       - 'manually'
 
diff --git a/jjb/OnosSystemTest/onos-test-pipeline.yaml b/jjb/OnosSystemTest/onos-test-pipeline.yaml
index 4c332e8..2fac848 100644
--- a/jjb/OnosSystemTest/onos-test-pipeline.yaml
+++ b/jjb/OnosSystemTest/onos-test-pipeline.yaml
@@ -48,6 +48,7 @@
       - '2.4'
       - '2.5'
       - '2.6'
+      - '2.7'
       - 'master'
       - 'manually'
 
@@ -300,6 +301,7 @@
          name: ONOSbranch
          choices:
            - 'master'
+           - 'onos-2.7'
            - 'onos-2.6'
            - 'onos-2.5'
            - 'onos-2.4'