Zabbix

..FG...... [ZBXNEXT-6593] added support of persistent files for restoring log item state after agent restart

* commit '01315ef88f8883f52669a87762aa34e7b4b61e4d':
  ...G...... [ZBXNEXT-6593] simplified process_log_check()
  ...G...... [ZBXNEXT-6593] fixed log message when handling 'mtime' and 'lastlogsize' values restored from persistent file
  ...G...... [ZBXNEXT-6593] fixed handling of 'mtime' and 'lastlogsize' values restored from persistent file and from server
  ...G...... [ZBXNEXT-6593] fixed comment in zbx_restore_file_details()
  ...G...PS. [ZBXNEXT-6593] deleted zbx_psk_hex2bin(), replaced with zbx_hex2bin()
  ..FG...... [ZBXNEXT-6593] added support of persistent files for restoring log item state after agent restart