Change refactor cache for torrent providers to reduce code.
Change improve search category selection BMTV, FSH, FF, TB.
Change identify more SD release qualities.
Change update SpeedCD, MoreThan, TVChaosuk.
Add torrent provider HD4Free.
Remove torrent provider BitSoup.
Change only create threads for providers needing a recent search instead of for all enabled.
Add 4489 as experimental value to "Recent search frequency" to use provider freqs instead of fixed width for all.
Fix searching nzb season packs.
Change remove some logging cruft.
Add BitMeTV torrent provider.
Add TVChaosUK torrent provider.
Add HD-Space torrent provider.
Add Shazbat torrent provider.
Remove Animenzb provider.
Change use tvdbid for searching usenet providers.
Change consolidate global and per show ignore and require words functions.
Change "Require word" title and notes on Config Search page to properly describe its functional logic.
Add "Reject Blu-ray M2TS releases" to BTN provider.
Add regular expression capability to ignore and require words by starting wordlist with "regex:".
Add list shows with custom ignore and require words under the global counterparts on the Search Settings page.
Fix failure to search for more than one selected wanted episode.
