MP1-4350: Updated BASS binaries
MP1-4350: Stop the WASAPI playback before freeing it, to prevent crashes.
Merge remote-tracking branch 'origin/master' into MP1-4350-BUG-BASS_Engine_can_make_MediaPortal_crash
MP1-4350 : Make BassAudioEngine singleton instancing in BassMusicPlayer to be thread safe
MP1-4350 : Make BASS player stopping thread safe - Introduced command queue for playback commands. In future this could be used to fix the UI stalls on fade in/out cases by implementing the play and pause in asynchronous manner.
Merge remote-tracking branch 'remotes/upstream/MP1-4350-BUG-BASS_Engine_can_make_MediaPortal_crash' into 1.6.0Fork-BDJ

Conflicts:
	mediaportal/Core/MusicPlayer/BASS/BassAudioEngine.cs
	mediaportal/Core/MusicPlayer/BASS/BassMusicPlayer.cs