Release restrictions

New: Required terms assignable to series via tags
New: Ignored terms assignable to series via tagss
Refresh the scene mapping cache if it is empty during a lookup
Workaround to deal with updating scene names
Fixed the migration to release restrictions
Added support for Hardlinking instead of Copy.
New: Implemented Torrent Download Clients: uTorrent, Transmission and Deluge. And several public and private Torrent Indexers.
Added OsPath to handle OS agnostic path handling.
Fixed: Parser no longer chokes on titles with a file extension and invalid path characters such as :.
Fixed: Resolved performance issue in the log cleaning method when running trace level.
Fixed: Changed the api call for Deluge to reduce the response size preventing a timeout when a lot of torrents are listed.
Added debug message for transmission version info
Fixed: Parsing Transmission version for nightly builds
Updated Kickass Url to new TLD.
Processed comments.
Implemented indexer integration tests for a couple of public indexers.
updated npm packages
replaced clean with rimraf
replaced rimraf with del
Fixed: CDH erroneously reported a locked file on import.
Merge pull request #131 from Sonarr/torrents

Torrents support