Add a bunch of nmatrix to develop
commit message explaining your work in progress
Update README to include nmatrix
look for fftw3 headers from the C API
Find fftw3 headers

Still some compilation issues but at least looking in
the right fftw3 include dir now
find nmatrix_config.h
EXT: Remove unwanted clutter
EXT: remove .gitignored file
EXT: Remove more cluttered files

error.c and fftw3.c are gone
EXT: Strip fftw3_nmatrix to minimum

TODO work on this later
EXT: Remove install  log
Remove extra install script
LIB|audio fix requires
EXTCONF: fix style and nmatrix header searches
Rakefile: look for headers in include dir
Rakefile: tidy up a bit
Gemspec: Remove include reference
Delete install script

It is not needed anymore
lib: move so file from top level dir
gemspec: use sciruby key