Log Message:
Update "libtorrent" package to version 0.10.4 and "rtorrent" \ 
package to
version 0.6.4. Changes since version 0.10.3 and 0.6.4:
- Use the actual completed torrent data in the 'downloaded' field sent to
  the tracker, rather than the download rate total. This should fix some
  problems with too much downloaded data being reported to the tracker.