2.9.4

1. Allow 'lmsbrowse' custom actions from now-playing.
2. Remove space between star ratings so that eliding works better.
3. Use bold font for titles of other servers in 'Manage players' dialog.
4. Long-press on count/duration in queue to show transfer queue dialog.
5. Reduce frequency of status polling during playback.
6. Don't send a status message for a player if one is already being processed by LMS.
7. Recalculate (i.e. set to 0) queue duration when cleared.
8. Remove padding from track list in now-playing album info view.
9. Refresh queue if show track numbers setting changed.
10. Check URL is not 'null' before adding to playlist.
11. Store 'theme' setting in local storage after reading defaults from server.
12. Remove padding between volume sliders and buttons in 'Manage players' dialog if width is 500px or less.