SickRage Support and fixes

Fixed #173 - Added Sickrage/Sickbeard Homepage support

Fixed #179 - Added link to plex from homepage on recent items

Fixed #195 - Added selectable default view

Fixed #198 - Sonarr/Radarr URL fix

ATTENTION - Removed fields for port on Sonarr and Radarr, please adjust URL to reflect the change

Added new logos for Organizr

Added filter to calendar

Made NZB Downloaders Admin only

Fixed login issue