CBQE-0 :: fix failover conf for recoveryType param

Change-Id: Ibfc0f92f2cb9b3cdfc1dc806da4e252d79e73376
Reviewed-on: http://review.couchbase.org/39114
Reviewed-by: Parag Agarwal <agarwal.parag@gmail.com>
Tested-by: Parag Agarwal <agarwal.parag@gmail.com>