Move gerrit scripts into puppet module

Moving the cron executed gerrit scripts into the puppet module.  This is for two reasons:

1. Easier/faster to deploy/maintain than having a cron job for a separate git repo
2. We can add customisations required for review-dev and stackforge

Change-Id: Iaf44e1d57d6ee6ea282575b1b48261f4ccbbaf3f
diff --git a/change-merged b/change-merged
new file mode 100755
index 0000000..61e8610
--- /dev/null
+++ b/change-merged
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+python ~/openstack-ci/gerrit/update_bug.py change-merged "$@"