* DBUS-API: Fix wording on "Expires" option. * clients.conf (enabled): New. * mandos (Client): "last_enabled" can now be None. (Client.__init__): Get "enabled" from config. Only set "last_enabled" and "expires" if enabled. (ClientDBus.Created_dbus_property): Removed redundant dbus.String(). (ClientDBus.Interval_dbus_property): If changed, only reschedule checker if enabled. (main/special_settings): Added "enabled". * mandos-clients.conf (OPTIONS): Added "enabled".