src/aubio_priv.h: move include config.h here
wscript: add option to not build with CoreAudio/AudioToolbox
src/io/audio_unit.c: fix deprecation warning (closes #16)
src/fmat.c: new_fmat() takes height as first argument
src/io/audio_unit.c: avoid double free
src/io/audio_unit.c: cast OSStatus to int, add missing \n
src/io/audio_unit.c: added ios driver