mwolson: Make progress on email delivery

mwolson: Make progress on email delivery

* exim4/conf.d/main/01_exim4-config_listmacrosdefs
  (MAILDIR_HOME_MAILDIR_LOCATION): Don't include $local_part here, in
  case it gets expanded too early.

* exim4/conf.d/router/550_exim4-get_token (get_token): Simplify to not
  use pagsh.openafs.

* exim4/conf.d/transport/30_exim4-config_maildir_home (maildir_home): Add
  $local_part here.  Set current_directory to "/" to avoid chdir errors.

* exim4/get-token: Various changes by megacz.

* init.d/apache2 (NO_START): Changes by others.