vamp-aubio.n3: improve rdf description
vamp-aubio.n3: fix mfcc output
vamp-aubio.n3: update links and download locations, patch from Chris Cannam
vamp-aubio.n3: fix mel filters to 40 for now, sync descriptions
vamp-aubio.n3: improve melenergy, add specdesc
vamp-aubio.n3: add MelEnergy
vamp-aubio.n3: sync descriptions with plugins/*.cpp
vamp-aubio.n3: added onset detection function and threshold odf
vamp-aubio.n3: added first Mfcc drafts
vamp-aubio.n3: remove spurious ';' preventing the plugin to load
Add tempo output, minor build fix
Add RDF, optimisation