Zabbix

.......... [DEV-2111] added integration test for confsyncer

Merge in ZBX/zabbix from feature/DEV-2111-6.3-X to master

* commit 'dc7ea51946d0ad7a515fff6efea39aa4e6a85993':
  .......... [DEV-2111] removed debug leftovers
  .......... [DEV-2111] fixed conflicts
  .......... [DEV-2111] updated string pool leak checking in integration tests
  .......... [DEV-2111] various fixes
  .......PS. [DEV-2111] changed stringpool dump define
  .......PS. [DEV-2111] disabled stringpool dump by default
  .......PS. [DEV-2111] added stringpool contents to configuration cached debug dump
  .......... [DEV-2111] fixed stringpool statistics parsing from logs
  .......... [DEV-2111] removed debug leftover
  .......... [DEV-2111] added integration test for confsyncer