Add TorrentBytes provider
Playing videos from display show page has now been made opt-in, you can enable/disable via general config menu.

Swapped out video-js player for jwplayer to support mkv video codec.

Fixed issue with videos not playing.
Disabled purging of feed-cache items for providers.
Merge pull request #637 from marseneault/torrentbytes

Add TorrentBytes provider
Add animezb provider