Fix shutdown of torrent2http when it is dead

This is to fix a behavior where torrent2http crashed and instead of keep on going, xbmctorrent would break after trying to play any torrent.
Update torrent2http.py
Using plugin.log.info instead of xbmc.log
Merge pull request #121 from jaysonsantos/patch-1

Fix shutdown of torrent2http when it is dead