Bug fixes

• #680: Now playing list should be able to distinguish duplicate items.
• #696: Ultrasonic is activated with BT even when all media play functions are disabled.
• #697: No sound after one track.
• #717: Insert after current song not fully working.
• #742: Pinned/downloaded music gets wiped/deleted on exit & start.

Enhancements

• #432: Ultrasonic notification should be dismissible by swipe.
• #553: Duration not read from metadata.
• #727: Disable LoggingInterceptor for Streaming calls.