Zabbix

A.F....PS. [ZBXNEXT-2732] improved network discovery by implementing concurrent checks within single discovery rule

* commit 'd099192933be3a58653426d560953a65761a2383': (124 commits)
  .......PS. [ZBXNEXT-2732] fixed man pages
  .......PS. [ZBXNEXT-2732] fixed get_fping_out() function
  .......PS. [ZBXNEXT-2732] fixed agent compilation
  .......PS. [ZBXNEXT-2732] added const qualifier
  .......PS. [ZBXNEXT-2732] fixed libraries initialization
  .......PS. [ZBXNEXT-2732] fixed merge
  .D........ [ZBXNEXT-2732] fixed changelog
  .......PS. [ZBXNEXT-2732] fixed snmp initialization for discovery threads
  .......PS. [ZBXNEXT-2732] fixed command line help
  .......PS. [ZBXNEXT-2732] added signal blocking for icmpping
  .......PS. [ZBXNEXT-2732] fixed comments
  ........S. [ZBXNEXT-2732] removed icmpping mock tests
  .......... [ZBXNEXT-2732] fixed unstable test
  .......... [ZBXNEXT-2732] added new test cases
  ..F....... [ZBXNEXT-8327] fixed field focus when editing discovery rule
  ..F....... [ZBXNEXT-2732] fixed code style
  .......PS. [ZBXNEXT-2732] fixed cherry-pick
  .......PS. [ZBX-22336] added default process num initialization for rtc
  .......PS. [ZBXNEXT-2732] fixed cherry-pick
  .......PS. [ZBX-22336] fixed merge
  ...