Add TorrentLeech provider.
Added NZBs'R'US backlog searching, updated RSS cats.
PEP8 to cleanup whitespace/cosmetic concerns.
Set default value of paused to 0 not False, seems this was the odd ball usage. As we check for 0/1 throughout the sb cheetah templates and also pass 0/1 when editing the show. This also keeps the returned data for SB-API consistent.
Handle failed downloads

Detect and track failed nzbs and don't re-download them.
Properly handle multi-episode NZBs
Improve failed download handling

Let postProcessor handle finding release_name, and update history and
set episodes to wanted in the same place.
Create a separate failed database

Also added a web UI
Adding provider image for usenet-crawler.
Merge pull request #580 from thezoggy/dev--usenet_crawler

Adding provider image for usenet-crawler.
Merge pull request #571 from thezoggy/dev--show_queue_cleanup

show_queue cleanup
Merge pull request #566 from jrdnull/nzbsrus-backlog

Updated NZBs'R'US provider and added backlog searching.
Merge branch 'master' of git://github.com/Grepsy/Sick-Beard into development
Don't show nzb-specific provider config when nzbs are disabled
Fixed torrentleech provider pull to save config and detect bad auth correctly.
Merge branch 'development' of github.com:midgetspy/Sick-Beard into development
Merge remote-tracking branch 'ms/development' into failed-download-handling
Merge pull request #2 from Tolstyak/failed-download-handling

Failed download handling