Store username and pass in cleanhost

Fixes #2727
Merge pull request #2732 from mano3m/develop_fixhost

Store username and pass in cleanhost
Fixed bug when parsing torrents page in IPT provider
Make Log messages pasteable
Ensure files returned from rTorrent are absolute and inside the torrent directory.
Merge pull request #2741 from fuzeman/develop_iptorrents

Fixed IPTorrents provider searching (again)
Merge pull request #2743 from fuzeman/feature/dev_rtorrent

Fixed bug in rTorrent downloader when file paths start with '/'
Code cleanup
Merge branch 'develop' of github.com:RuudBurger/CouchPotatoServer into develop
Update library: APScheduler
Update library: html5lib
Update library: tornado
Update six
Exception cleanup
Relative import
Import print function
py3k port helpers
Rename importlib
Change HDBits provider to use API instead of scraping site
Merge branch 'fix_log_lines' of git://github.com/ressu/CouchPotatoServer into ressu-fix_log_lines