Zabbix

...G...... [ZBXNEXT-6339] added  smart.disk.discovery/get and  smart.attribute.discovery key to Zabbix agent 2

* commit 'd3ea2f092a69dfa0873c6bf3c034d0510300f695': (46 commits)
  .......... [ZBXNEXT-6339] added change log
  ...G...... [ZBXNEXT-6339] fixed timeout with nonesmart disks
  ...G...... [ZBXNEXT-6339] fixing raid execution
  ...G...... [ZBXNEXT-6339] added parameter amount check
  ...G...... [ZBXNEXT-6339] fixed issue with incorrect raid output for sat devices
  ...G...... [ZBXNEXT-6339] fixing issue with smartctl raid devices returning only the first one
  ...G...... [ZBXNEXT-6339] code clean up
  ...G...... [ZBXNEXT-6339] code clean up
  ...G...... [ZBXNEXT-6339] added concurrent execution and version check
  ...G...... [ZBXNEXT-6339] code clean-up
  ...G...... [ZBXNEXT-6339] code clean-up
  ...G...... [ZBXNEXT-6339] added smart plugin to darwin plugin list for Zabbix agent2
  ...G...... [ZBXNEXT-6339] code clean-up
  ...G...... [ZBXNEXT-6339] fixed zbxcmd timeout check
  ...G...... [ZBXNEXT-6339] code clean up
  ...G...... [ZBXNEXT-6339] code clean up
  ...G...... [ZBXNEXT-6339] fixing sub-issues for windows
  ...G...... [ZBXNEXT-6339] fixing sub-issues for unix
  ...G...... [ZBXNEXT-6339] added smart status check to smart.disk.get
  ...G...... [ZBXNEXT-6339] code clean up
  ...

(cherry picked from commit 1ee48854146deb37bad43c59119f6d07e6ddc38b)