Zabbix

..F....... [DEV-2451] fixed inefficient URL schema validation

* commit '37ba6ee229304717fb785493e5ef0497732358b0':
  ..F....... [DEV-2451] fixed double quoting in the error message
  .......... [DEV-2451] added unit tests
  ..F....... [DEV-2451] fixed inefficient URL schema validation
  ..F....... [DEV-2451] fixed line terminators being allowed in URI scheme
  ..F....... [DEV-2451] fixed inefficient URL schema validation