Fixes errors occurring when a show folder is deleted outside of SickRage
Feature/config_provider_improvements

* Styled config_providers to match new config_general styling
* Removed qtip from providers and converted back to a tab
* Removed superfish-1.4.8.js and supersubs-0.2b.js as they no longer
break provider sorting with qtip removed and is no longer required due
to new UI
Overhaul Config Search Settings in line with General Configuration.

Improve text wording on many UI elements under Search Settings.
Improve reduce over use of capitals.
Change prevent specific rTorrent guidance from showing everywhere.
Fix duplicate html IDs used on the Torrent Search tab, there can be only ONE ID!
Improve streamline UI layout, mark-up, and javascript, remove unused DOM setters.
Clean up text, correct quotations, use spaces for code lines, tabs for html.
Merge branch 'feature/config_provider_improvements' of https://github.com/Supremicus/SickRage into develop
Merge branch 'feature/OverhaulSearchSettings' of https://github.com/JackDandy/SickRage into develop
Merge branch 'feature/FixInvalidShowFolders' of https://github.com/adam111316/SickRage into develop