Zabbix

..F....... [DEV-4946] fixed trigger event name validation

* commit '5b5e18bc9de766117f4ecfe6710e0b364bdf4fd3':
  ..F....... [DEV-4946] fixed hostname validation in event names in case it is numeric
  ..F....... [DEV-4946] fixed to check event name used hostnames within scope of that specific trigger
  ..F....... [DEV-4946] fixed that host names may be empty for event names
  ..F....... [DEV-4946] fixed code style for event name validation
  ..F....... [DEV-4946] fix to accept indexed host names for event name
  ..F....... [DEV-4946] fixed trigger event name validation in case value not passed
  ..F....... [DEV-4946] fixed code style
  ..F....... [DEV-4946] fixed trigger event name validation
  ..F....... [DEV-4946] fixed trigger event name validation