Added package icons
Added resources [HUGE commit]
Added Tags csharp file with several Tags-oriented classes
Added some static public properties to App as resources. Generated those resources
Video: override ToString(), added Thumbnail get-only property
Library: populated LIbraryCollection with series data
Added images to Package manifest so the application has FOD branding
HubPage: layout changed to include series groups
HugPage.xaml.cs: mostly just refactoring/reformatting