Update couchbase-cli for commit validation. CBD-1191

Change-Id: I5e108a50b6c531191884c173a5e59c37667bd09f
Reviewed-on: http://review.couchbase.org/33306
Reviewed-by: Eric Limare <eric.limare@couchbase.com>
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>