Bug fixes

• #383: App crash for use MediaStore legacy code.
• #390: Random crashes when playing audio.
• #397: Fixed Next button behavior when Repeat All is enabled.
• #407: Fixed video play (VideoPlayer are using wrong context).
• #416: Pinning can result in download loop.
• #428: Null object reference in PlayerFragment.
• #442: Rename Scrobbler for Last.fm with Scrobble.

Enhancements

• #403: Show download percentage.
• #410: Adds the ability to select and filter Albums by a Music Folder on the server.
• #421: Modernize Service Notification.