Add branch-redwood.xml

Change-Id: Id22ac8a6217c07104768ca79f45b5bca692b0cbe
Reviewed-on: http://review.couchbase.org/25976
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>