OteyPiano UGen incorporation
OteyPiano files
README: move install and dev infos into main README
README: add FM7 in plugins list
documentation: delete obsolete readme files

 - all those infos are in main README.md now
correct tab vs space
OteyPiano in readme
Added MedianSeparation plugin and associated class, help file
Fixed initialisation bug for SMS and added quadratic interpolation to peak estimate
add J variant grain UGens for testing grain amp and buffer looping