Ability to change subtitle search interval

Ability to change subtitle search interval
Merge pull request #424 from schumi2004/sub_int_gui

Ability to change subtitle search interval
Subtitle search interval fix
Merge pull request #427 from schumi2004/sub_int_gui

Subtitle search interval fix
CompactHistory: don't show subtitle columns if not the case.
Merge branch 'Pistachitos' of https://github.com/mr-orange/Sick-Beard into Pistachitos
FailedHandling fix on no results
Subtitle Frequency fix
Pyunrar2 library 0.99.3 update (add unrar v5 support)
Subtitles: Removing Bierdopje service after api shutdown
Merge branch 'Pistachitos' of https://github.com/mr-orange/Sick-Beard into ThePirateBay
deleted dateutil zip-files