Zabbix

A.F....... [ZBX-16822] fixed performance issues for installations with a lot of historical alerts

* commit 'ba11172f4f77e300e30ad60d911d0fff9572620a':
  ..F....... [ZBX-16822] fixed incorrectly generated css files; removed incorrectly added file
  ..F....... [ZBX-16822] fixed error handling for eventlist and actionlist hintboxes
  ..F....... [ZBX-16822] removed unused code
  ..F....... [ZBX-16822] fixed mediatype name in actionlist hint
  ..F....... [ZBX-16822] fixed coding style: split hinboxes into separate controllers
  A.F....... [ZBX-16822] fixed performance issues for installations with a lot of historical alerts