Kickasstorrents update

Kickass Torrents url update.
Various changes (torrent and PS3 changes)

Retrieve the . torrent file that has the most seeds and for the
specified system (by checking if the system name is in the file title,
which is the most common naming standardar these days), also replacing
urrllib for requests to download the file.
added PS3 blacklist words
Merge pull request #81 from pabloamg/TheGamedb

Torrent  management improvement.