CBQE-o: update resources/jenkins/centos-64-5node-failover.ini

Change-Id: I19f81e002e38b72d13c48cf16689798a2193d35f
Reviewed-on: http://review.couchbase.org/26886
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>