Added code to prevent parsed search results with UNKNOWN quality from being cached

Fixed issues with adding search results to cache with proper quality

refactored core tv_show object variable next_aired into property function

Revert "Revert "Added feature that stores and retrieves provider cache results from sickrage's cache server""

This reverts commit 9575d5fd

Revert "Added feature that stores and retrieves provider cache results from sickrage's cache server"

This reverts commit b024c058

fixed issues with mediaToSiCKRAGE code

Added torrent provider Abnormal
Added torrent provider ArcheTorrent
Added torrent provider DanishBits
Added torrent provider EliteTorrent
Added torrent provider FileList
Added torrent provider HD4Free
Added torrent provider ImmortalSeed
Added torrent provider LimeTorrents
Added torrent provider nCore
Added torrent provider Norbits
Added torrent provider SkyTorrents
Added torrent provider Torrent9
Added torrent provider TorrentProject

Added option to enable/disable provider RSS caching of shows already added to show list, speeds up searches when enabled

Fixed shabang line

Fixed issues with database and multiple threading
Fixed issues with database and shutdowns
Fixes issues with queues and shutdowns

fix: Fixed issues with saving newznab provider settings
fix: Fixed issues with searching rss feeds from providers
update: Updated Core JS code

fix: Misc cleanups, Resolved torrent provider seed ratio issue

fix: Fixed code for source updating