CBSE-68 Set authtype to 'sasl' when creating default bucket
CBSE-68 Set authtype to 'sasl' when creating default bucket

Change-Id: Ib2fafcf93c7403e26a16da467353f528f5266612
Reviewed-on: http://review.couchbase.org/10989
Reviewed-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>
Tested-by: Bin Cui <ed18693fff32c00e22495f4877a3b901bed09041@gmail.com>

couchbaselabs/couchbase-cli,membase/membase-cli,membase/membase-cli,couchbaselabs/couchbase-cli,membase/membase-cli,couchbase/couchbase-cli,couchbaselabs/couchbase-cli,couchbase/couchbase-cli