This fixes and implements many items on the ArtistIndex Page and ArtistDetailPage
* Create ArtistStatistics Core Module and tie into API.
* Create Members Class and tie into ArtistModel and Artist API resource.
* Finish Out Album API resources and pass to ArtistDetailPage.
* Finish Out Track and TrackFile API resources and pass to ArtistDetailPage.
* Lots of UI work on Artist Detail Page to get Albums and Track list working.
* Add Cover and Disc Image Types to MediaCover Class
* Remove AddSeries UI Flow, since we have replaced with AddArtist (Cleanup)
Qstick