1.8.6

1. Translation updates.
2. Spelling fixes.
3. Ignore repeated keypresses less than 100ms apart.
4. Map icon for Sprocket plugin.
5. When mapping icons and looking if image ends with a value also check for value + '/image.png'
6. Fix mapping of mysqueezebox.com apps when using local LMS image proxy.
7. Close track information dialog on 'esc' or back button.
8. Update rating display if current setting, or calculated value, differs from previous.
9. Allow to set custom actions for now-playing cover context menu.
10. Add action to 'Zap' play queue items.
11. Don't close 'More' list when clicking radio stream skip actions.
12. When saving the queue, don't use error text colour to indicate that a playlist with that name exists - looks odd if saving queue to its existing name.
13. Show name of currently loaded playlist in queue view.
14. Use asterisk next to queue's playlist name to indicate it has been modified.
15. Refresh 'New Music' after scan complete.
16. Don't navigate back in browse view on 'esc' press if a dialog was closed 250ms (or less) ago.