Zabbix

.........T [ZBXNEXT-6316] added iTop media

Merge in ZBX/zabbix from feature/ZBXNEXT-6316-5.2 to release/5.2

* commit '9cda4b7d91f98ec6a8f64534f95b15e68d4f2691':
  .........T [ZBXNEXT-6316] fixed readme
  .........T [ZBXNEXT-6316] fixed readme
  .........T [ZBXNEXT-6316] fixed after QA
  .........T [ZBXNEXT-6316] fixed indentations
  .........T [ZBXNEXT-6316] fixed error for null response
  .........T [ZBXNEXT-6316] fixed indentations
  .........T [ZBXNEXT-6316] fixed indentations
  .........T [ZBXNEXT-6316] fixed indentations and typo in readme
  .........T [ZBXNEXT-6316] added typo in readme
  .........T [ZBXNEXT-6316] fixed after review
  .........T [ZBXNEXT-6316] fixed typo in readme
  .........T [ZBXNEXT-6316] added iTop media