Added the "List metrics" page with some minimal information

added deletelist form, modified subscr/unsubscr form

removed logger output from views

- modified login page ...

- added cute browserid icon

- show lists from all domains on list index ...

- small style change
- fixed new list exception
- added utils file

- moved all remains of mailman_django to mailmanweb ...

- layout changes
- moved dummy auth to django auth