RSM

 - [ZBX-3469] Fix setting UNKNOWN trigger status when agent goes down.
   The logic is as follows:

   set trigger status to UNKNOWN if all are true:
   - trigger's item status ACTIVE
   - trigger's item type same as failed one
   - trigger does not reference time-based function
   - trigger status ENABLED
   - trigger's host same as failed one
   - trigger's host status MONITORED
   - trigger does not reference "active" item

   an item is considered "active" if all are true:
   - item status ACTIVE
   - item's host status MONITORED
   - item's trigger references time-based function
     OR
     item is of different type AND it's host is available
   [svn merge -r20732:20738 svn://svn.zabbix.com/branches/1.8]
   - add JMX type support