Zabbix

..F....... [DEV-4920] implemented validation of parameters for jsrpc.php

* commit '898e4989c0af7ed946c93bbfd0cbea94385dad0a':
  ..F....... [DEV-4920] removed limitation of allowed item types
  ..F....... [DEV-4920] fixed coding style
  ..F....... [DEV-4920] fixed issue when methods with no additional parameters accept anything in request
  ..F....... [DEV-4920] removed redundant code
  ..F....... [DEV-4920] added missing parameter in jsrpc validation
  ..F....... [DEV-4920] fixed coding style
  ..F....... [DEV-4920] implemented validation of parameters for jsrpc.php