* plugins/check_nagios_livestatus : new probe to check nagios
    activity by livestatus
  * etc/nagios-plugins/config/nagios_livestatus.cfg : NRPE
    command config for check_nagios_livestatus
  * plugins/check_nagios_log : new probe to check nagios
    activity by its log
  * etc/nagios/nrpe.d/nagioslog.cfg : nagios command config for
    check_nagios_log