log README @ 1233:8bac279d4ee4 spectrogram-minor-refactor

age author description
2014-09-10 Chris Cannam Update README and CHANGELOG
2013-05-09 Chris Cannam Update README
2011-02-03 Chris Cannam * Add/update change log; add M4M project to README
2011-02-03 Chris Cannam * Update dates, add README