1. Read half-star setting from ratings light, and use to control if can set half stars.
2. Fix setting of half-stars in ratings dialog.
3. Fix mapping of icons in apps.
4. When splitting release lists into groups, only group releases with 'compilation=1' into 'Compilations' if they have no explicit release type.
5. Don't allow 'Compilations' entry to be pinned, as this has 'artist_id:' parameter that can change.
6. If a 'My Music' item view has 'library_id' then don't ask whether to pin with ID or not - as will always use its ID.
7. Improve album style queue with grouping - thanks to Darrell.
8. Allow per-player colour setting.
9. Add support for LMS9's portraitid attribute - thanks to Michael Herger.
10. If no playlist image found, use first valid image found in playlist tracks.
11. Add (server side) option to enable playlist images.
12. When prompting for discs to add to queue use '0' as keyboard shortcut for 'All discs', and '1' .. '9' for discs themselves.
13. Fix padding in 'Manage players' dialog.
14. If JSONRPC calls fail and no player is attached then show a warning message indicating this.