Things we need to do: * add _working_ resampling code * add support for sync streams Things we should do: * add a lot other things * add support for config file * add a sample rc file * add RAUM support * add sndio support * write a libroarsndio * replace OpenBSD's aucat Things it would be nice to have: * add code to handle streams with more than ROAR_MAX_CHANNELS channels * add better support for ReplayGain. * Consider if we should take conf_* from GIFT.