Frontend operator shall have easy access to information about rejected
slaves, possibly the best in the JSON file.

Also the keys for the human readable information are slave's titles, not
references.

The information is published via hand crafted HTTPS endpoint.

Note: The SSL certificate is generated manually. Existing caucase is special
      for KeDiFa, this is another step to move all generated certificates (or
      otherwise self-signed) to internal, full automatic caucase.