Final patch for [AETHER-778], [AETHER-779] and [AETHER-782]

- Enables new CI/CD jobs for stable and master builds
- Disable old CI/CD jobs
- Removes taggging step from the publish script
- Add weekly job for master

Change-Id: Ie99565305c9f5119503d218097771ed69e80a656
diff --git a/jjb/defaults.yaml b/jjb/defaults.yaml
index fa39327..ba88535 100644
--- a/jjb/defaults.yaml
+++ b/jjb/defaults.yaml
@@ -117,3 +117,7 @@
     # maintainers
     # Used to notify users in supported tests
     maintainers: 'zdw@opennetworking.org'
+
+    # timed
+    # Used as default for timed triggers
+    timed: '@midnight'