MB-22974: Don't require RBAC name when creating or updating a user
MB-22974: Don't require RBAC name when creating or updating a user

Change-Id: I53946db6658cf9ab4a1b72538936d4c50170b842
Reviewed-on: http://review.couchbase.org/74190
Reviewed-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>
Tested-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>

couchbase/couchbase-cli,couchbase/couchbase-cli