Move artist suggestions to its own class
Make autocomplete templates customizable
Show artist profile in suggestions list
Return nil if all date units are nil
Use GranularDate.parse for string dates
Show edition disambiguation on release calendar
Add default fallback image
Use profile thumbnails for artist suggestions
Place artist profile inline with suggestions field
Add tests for GranularDate::GranularDate
Raise an ArgumentError on invalid GranularDates
Add tests for Enumeratable