- Added counts field to ArtistsResponse, which indicates the number of
  albums, songs, and favorited tracks that artist has.
- Added counts to AlbumArtists API
- Any queries that order by a name are now done without case sensitivity
- Added section labels/positions to api responses that return top lists
- Created IGroupingItem interface to indicate any item that can be grouped and to standardize the grouping property name
- Created SectionPositionsFromSortedList method which takes an already alphabetically sorted list and spits out an array of key value pairs indicating the index label and start position
Merge branch 'master' of github:einsteinx2/WaveBox