Add Jobs for the Istanbul Branch

Issue-ID: HOLMES-477
Signed-off-by: Guangrong Fu <fu.guangrong@zte.com.cn>
Change-Id: Ieb478a0a24d9f5237b9a319641da4036fabb9f5a
diff --git a/jjb/holmes/holmes-engine-mgt.yaml b/jjb/holmes/holmes-engine-mgt.yaml
index 2b6aeef..79d9e98 100644
--- a/jjb/holmes/holmes-engine-mgt.yaml
+++ b/jjb/holmes/holmes-engine-mgt.yaml
@@ -25,6 +25,8 @@
           branch: 'guilin'
       - 'honolulu':
           branch: 'honolulu'
+      - 'istanbul':
+          branch: 'istanbul'
     mvn-settings: 'holmes-engine-management-settings'
     files: '**'
     archive-artifacts: ''