Bug fixes
- #594: Added PlaybackComplete intent when a song playback is completed.
- #593: Fixed album lists.
- #602: Fix NPE.

Enhancements
- #558: Video call can be static.
- #559: Add better offline Support.
- #568: Rework Downloader.
- #567: Use semantically correct API endpoint when streaming/downloading.
- #572: Moved drag handle to the left in the Now Playing list.
- #585: Added setting to disable Now Playing List sending for incompatible
  bluetooth devices.
- #596: Added option whether to create a share on the server when sharing
  songs.