Zabbix

 - character '.' can be used in definition of monitored paramaters
 (Alexei)
 - added average-only mode for trends (Alexei)
 - fixed bug with unexpected change of item status to NOT SUPPORTED. This
 bug appeared because of incomplete processing of timeout situations (Alexei)
 - constant DELAY_ON_NETWORK_FAILURE is set to 60 (Alexei)
 - cleanup of PHP scripts