Revert "Created a simple note estimator"

This reverts commit 3d29aa8f48f1d3412603431aa8dfb02de4a7959d.
proviamo!
Revert "Revert "Created a simple note estimator""

This reverts commit 5314137c0cfd3f5758f08b80688e2d1746669333.
Merge pull request #2 from berdav/note_finder

aggiunto test
learning git
Finally a working merge u.u
Merge pull request #3 from berdav/note_finder

Finally a working merge u.u
It prints the note!
testing new credentials
new credentials working
changed rout size in the fft.c file. From out_size to out_size * nc.
Solved a little precision issue and minor changes

- fft_size was wrong
- added a little makefile rule to compile with debug support
Solved a little precision issue and minor changes

- fft_size was wrong
- added a little makefile rule to compile with debug support
Merge branch 'note_finder' of https://github.com/berdav/pick-midi into note_finder
removed a debug printf
Merge pull request #4 from berdav/note_finder

Note Finder
main loop added, zero note check added (is it correct?)
fft intensity fixed
removed some conversions-related warnings
now the project is C90 compliant