MB-17140: Skip memcached buckets in cbbackupwrapper
MB-17140: Skip memcached buckets in cbbackupwrapper

Change-Id: Ib852cf9978263ce9cbb1434375d3bfc97823801a
Reviewed-on: http://review.couchbase.org/58530
Reviewed-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>
Tested-by: Matt Carabine <6b6a77d52cc9beed05d20e491a7c383064a02b0f@couchbase.com>

couchbase/couchbase-cli,couchbase/couchbase-cli