Log Message:
Update to 0.9.14. Changes:
- Implement TCP keepalive settings on platform that support it,
  check client.conf for details.
- When reading prelude-adduser password from a file, remove
  newline at the end of the string (fix #221).
- When we fail to read an IDMEF message, provide more information
  about the place where the error happened.
- Fix an issue with idmef_path_get() on empty path (pointing to the
  root message).
- Various bug fixes and minor API improvements.