Forgot mail_host

Modified the form so that all editable list settings can be accessed and ...

edited through the web interface.

another pipeline fix

Reordering the form because it will drive me crazy that mail host was at the ...

bottom and nowhere near list name.

bugfix: changing pipeline to posting_pipline because the setting name changed

- moved all remains of mailman_django to mailmanweb ...

- layout changes
- moved dummy auth to django auth