1. Better image grid sizing.
2. Set A..Z group size to 10.
3. Show signal strength in Information dialog.
4. If lose server connection, display modal dialog (similar to when there are no players) until connection is re-established.
5. Allow "PlayAll" / "AddAll" for radio.
6. Fix multi-artist retrievel in now playing.
7. Store command used to populate list, so that it can be re-used when fetching more.
8. Fix un-pinnig of items.
9. When un-pinnnig an app, re-add 'Pin' menu entry.
10. Only save the bare minimum of info required for pinned apps.
11. Use item_id from actions to create pinning ID for mysqueezebox apps.