Zabbix

...G...... [ZBX-21205] added information about JSON in oracle.custom.query response

* commit '662446ca43d6f3df15a06604c5f8ce375738cdf9':
  ...G...... [ZBX-21205] added changelog entry
  ...G...... [ZBX-21205] corrected word marshall to convert
  ...G...... [ZBX-21205] added information about JSON and oracle.custom.query