Zabbix

..F....... [DEV-4110] implemented popup manager

Merge in ZBX/zabbix from feature/DEV-4110-7.3-new2 to master

* commit '0ea9ae567d117b42013fc9ffa7505e15bf0284c9': (51 commits)
  .......... [DEV-4110] fixed automation test cases
  .......... [DEV-4110] fixed test cases after review
  ..F....... [DEV-4110] removed confirmation dialog
  .......... [DEV-4110] fixed test case failures
  .......... [DEV-4110] fixed test case failures
  ..F....... [DEV-4110] added required global JavaScript variables for setup.php
  .......... [DEV-4110] fixed failure test cases
  ..F....... [DEV-4110] updated function name
  ..F....... [DEV-4110] fixed coding style
  ..F....... [DEV-4110] fixed event assignment to more generic
  ..F....... [DEV-4110] restored URLs prior to publishing user events
  ..F....... [DEV-4110] refactored mass update management in problem list view
  ..F....... [DEV-4110] fixed typo
  ..F....... [DEV-4110] fixed non-static usage of static variable
  ..F....... [DEV-4110] fixed pattern for unsubscription from popup events
  ..F....... [DEV-4110] renamed back_url to return_url
  ..F....... [DEV-4110] added option for reusing current popup for the same action
  ..F....... [DEV-4110] fixed unchecking table rows in trigger prototypes
  ..F....... [DEV-4110] fixed redirection when deleting parent object
  ..F....... [DEV-4110] fixed unnecessary redrawing of the same popup
  ...

(cherry picked from commit 1aff03c6ceb3ef213acf175b9e8411de0f314547)