Added Fingerprinter interface and test code, with i386 binaries.
Added audio unit stuff to Fingerprinter constructor.  Methods are still dummy.
a few changes.  still doesn't work.
added simpleUI project which tests the Fingerprinter class.
added the simpleUI project which is an example iphone app using the Fingerprinter class
still not working but at least callback is being run.
now recording is working, but it is feeding back to the speaker.
added gui elements.
added spectrogram (history) buffering and linked button press to RMS value display.
updated fft code so that hopefully now indices correspond to frequencies.
added drawing view for plot.
added plot to view.
now plot displays the fingerprint in real time.  Note that DSP pipeline is still missing so it's just showing the FFT of last 0.1s frame.
vectorized absolute value and dB calculation.
added fingerprint accumulation and button-press fingerprint reset.
old plot view is now working.
made two buttons.  Thread concurrency issues remain (vector is distorted after "Save" sometimes).
fixed project file problem.
added spectrogram class with sliding history window
major update, including Fingerprinter interface change.  Now sliding window with p05 summary is working, at least in debug mode.