Zabbix

.......PS. [ZBXNEXT-6401] added new vmware keys vmware.datastore.perfcounter and vmware.hv.diskinfo.get

* commit '48fa72cc33c7b63d4d1f822693bf8feface73db7': (34 commits)
  .......PS. [ZBXNEXT-6401] fixed new snapshot fields name
  .......PS. [ZBXNEXT-6401] removed extra empty space
  .......PS. [ZBXNEXT-6401] fixed crash of su(6)
  .......PS. [ZBXNEXT-6401] fixed warnings
  .......PS. [ZBXNEXT-6401] fixed error message
  .......... [ZBXNEXT-6401] fixed ChangeLog entry
  .......... [ZBXNEXT-6401] added ChangeLog entry
  .......PS. [ZBXNEXT-6401] added oldest* fields to vm snapshot json
  .......PS. [ZBXNEXT-6401] fixed PR noties
  .......PS. [ZBXNEXT-6401] define empty REST response
  .......PS. [ZBXNEXT-6401] added description to CItemData.php
  .......PS. [ZBXNEXT-6401] removed debug log record
  .......PS. [ZBXNEXT-6401] fixed REST Tags minimal version control
  .......PS. [ZBXNEXT-6401] fixed REST empty response
  .......PS. [ZBXNEXT-6401] fixed support for standalone ESX server
  .......PS. [ZBXNEXT-6401] added support of vmware.datastore.perfcounter
  .......PS. [ZBXNEXT-6401] added vsan ds uuid to disk_info
  .......PS. [ZBXNEXT-6401] fixed PR notes
  .......PS. [ZBXNEXT-6401] added datastore type
  .......PS. [ZBXNEXT-6401] reinitialized curl heades after getting vc version
  ...

(cherry picked from commit d6af7eeaf7ce1f7d73c571f6ee2ac93df4e53897)