Zabbix

.......... [DEV-1740] rewrote autotest for zabbix setup form

rewrote autotest for zabbix setup form

* commit 'd5dc71e0e69b334f3a7fba4c42cbbbb33e1ea6c4':
  .......... [DEV-1740] hidden element with unstable focus in GUI settings form - 5.2 branch
  .......... [DEV-1740] autotest fix after review - 5.2 branch
  .......... [DEV-1740] screenshot related fix - 5.2 branch
  .......... [DEV-1740] screenshot related fix - 5.2 branch
  .......... [DEV-1740] screenshot related fix - 5.2 branch
  .......... [DEV-1740] screenshot related fix - 5.2 branch
  .......... [DEV-1740] fixed difference on screenshot due to focused element
  .......... [DEV-1740] added screenshot checks in 5.2 branch
  .......... [DEV-1740] changes as per review comments - 5.2 branch - part 3
  .......... [DEV-1740] changes as per review comments - 5.2 branch - part 2
  .......... [DEV-1740] changes as per review comments - 5.2 branch - part 1
  .......... [DEV-1740] fixed restoration of Zabbix server name parameter in 5.2 branch
  .......... [DEV-1740] removed unnecessary workaround 5.2 branch
  .......... [DEV-1740] added possibility to rewrite configuration file; replaced deprecated Ant task "copydir" with "copy"
  .......... [DEV-1740] fixed autotest errors in 5.2 branch
  .......... [DEV-1740] rewritten autotest for zabbix setup form