3.1.0

• Add sorting options to the Downloads and Episodes screens (@Jared234, @gitstart)
• Android Auto fixes & improvements; add back skip button (@awbooze, @ByteHamster)
• Update design of the Subscriptions screen (@gitstart)
• Add option to set ‘Enqueue location’ to Random (@andweg)
• Allow to sort Inbox oldest to newest (@gitstart)
• Add option to auto-activate sleep timer in a specific timeslot (@mueller-ma)
• Improve file downloading; offer to download as soon as WiFi is available (@ByteHamster)