[osx/coreaudio] - add method for setting the audio source of a device
[AE/osxsink] - add pseudo devices for devices with multiple non-planar streams - and obey the streamidx during initialize/streamscoring
[AE/osxsink] - enumerate the audio sources of a device if there are any - this allows to select between multiple airplay sinks for example
[AE/osxsink] - for the default device show the devicename behind it as
extraname