* apache2/conf.d/home.conf: Remove, since this duplicates

* apache2/conf.d/home.conf: Remove, since this duplicates
  sites-available/default.

* apache2/sites-available/default: Migrate, but comment out, some
  settings.

* default/hdparm, default/hotplug: Remove, since no longer installed.

* exim4/conf.d/main/01_exim4-config_listmacrosdefs: Add new domainlist
  unix_domains, which are the only domains that we permit delivery of
  local mail to, after resolving aliases.

* exim4/conf.d/router/300_exim4-config_real_local (real_local): Use
  unix_domains.

* exim4/conf.d/router/400_exim4-config_system_aliases (system_aliases):
  Look up both local_part and domain, not just local_part.

* exim4/conf.d/router/550_exim4-get_token: Remove, since it isn't used.

* exim4/conf.d/router/600_exim4-config_userforward (userforward): Use
  unix_domains.

* exim4/conf.d/router/700_exim4-config_procmail (procmail): Ditto.

* exim4/conf.d/router/800_exim4-config_maildrop (maildrop): Ditto.

* exim4/conf.d/router/900_exim4-config_local_user (local_user): Ditto.

* init.d/courier-authdaemon: Make sure this never runs.

* init.d/courier-imap, init.d/courier-imap-ssl, init.d/courier-pop:
  init.d/courier-pop-ssl: Ditto.

* mailman: Record file permissions.  Yay, git!

* pam.d/common-account: Add emergency line.

* pam.d/common-auth: Ditto.

* spamassassin/local.cf: Set report_safe to 0 to get rid of pointless
  report.

* sudoers: Temporarily set us to ADMIN_NOPASS.