Zabbix

...G...PS. [ZBXNEXT-8854] improved passive checks to use JSON protocol and fallback to plaintext protocol

...G...PS. [ZBXNEXT-8854] improved passive checks to use JSON protocol and fallback to plaintext protocol

* commit '0172aa18b0c76cd305d09204df27dc0f88803ae9': (57 commits)
  .......... [ZBXNEXT-8854] improved includes
  .......PS. [ZBXNEXT-8854] fixed socket being closed second time if there are errors setting up socket
  .......... [ZBXNEXT-8854] fixed integration tests
  ...G...PS. [ZBXNEXT-8854] fixed async poller switching from write to read event
  ...G...PS. [ZBXNEXT-8854] fixed async poller switching from write to read event
  ...G...... [ZBXNEXT-8854] fixed timeout validation
  ...G...PS. [ZBXNEXT-8854] removed redundant code
  .......... [ZBXNEXT-8854] improved integration tests to finish faster in case timeout is expected
  .D........ [ZBXNEXT-8854] added ChangeLog entry
  ...G...... [ZBXNEXT-8854] updated zabbix_get not to require comms library
  .D........ [ZBXNEXT-8854] fixed function headers
  ...G...... [ZBXNEXT-8854] updated zabbix_get man page
  ...G...... [ZBXNEXT-8854] updated zabbix_get man page
  .......... [ZBXNEXT-8854] added zbxagentget lib to windows makefile targets
  ...G...PS. [ZBXNEXT-8854] zabbix_get short option
  ...G...PS. [ZBXNEXT-8854] improved timeout handling in protocol
  ...G...... [ZBXNEXT-8854] improved zabbix get short option
  ...G...PS. [ZBXNEXT-8854] style fix
  ...G...PS. [ZBXNEXT-8854] style fix
  ...G...PS. [ZBXNEXT-8854] fixed error handling when executing passive check
  ...