add no-join option
add no-join option

in order to make testing `/_setup_cluster` easier

PR: #315
PR-URL: https://github.com/apache/couchdb/pull/315
Reviewed-By: Alexander Shorin <287dfd97d2274fe201ae7191a244ba25e475e13a@apache.org>

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb