Add new feature, check propers interval.

Allow user to select an interval between searches for propers.
Merge pull request #567 from JackDandy/CheckPropersEvery

Add new feature, check propers interval.
Fixed issues with search results not being snatched when searching shows with custom quality settings.

Added option to force a RSS update under Manage searches.

Added status of rss updates and daily searches to be displayed at bottom of pages.