Log Message:
Update to 5.4.3. Changes since 5.4.2:
Features:

  po/ja.po, po/web_help_ja.po: update Japanese translation of the user
    interface, add Japanese translation of online help
  po/ru.po: Updated Russian translation.
  src/Commands.pm: [#3990][Submitted by A. Berstein, electricembers.net] The
    quiet option has been reactivated for the "reject" mail command.

Bug fixes:
  wwsympa/archived.pl: [Reported by M. Kretchner, INRIA] It was impossible
    to remove a message from web archives or rebuild these archives.
  check_perl_modules.pl: [Reported by M. Gorecka-Wolniewicz,
    Nicolaus Copernicus univ., Torun] In some cases, CAS logout didn't work.
  src/task_manager.pl, wwsympa/archived.pl, wwsympa/bounced.pl: [#3957]
    [Reported by O. Berger, Telecom & Management SudParis] When launching
    Sympa daemons (other than sympa.pl) with an unknown option, the daemon
    was still launched instead of failing to launch.