Zabbix

..F.....S. [ZBX-21563] fixed the order in which update operations and recovery operations are executed

* commit 'a096fb2a5292658c5fc8a7448d4abf0d9fd7e0bf':
  .......... [ZBX-21563] fixed changelog entity
  ..F....... [ZBX-21563] fixed action order in problem page
  ........S. [ZBX-21563] changed the way how nulls are sorted by escalator
  .......... [ZBX-21563] added ChangeLog file
  ........S. [ZBX-21563] changed the order in which escalation steps and recovery operations are executed