Rakefile Use full lib and ext path
Ext: define fftw class and method
Rakefile: fix typo in folder name
doc: remove generated docs
Gemspec: tidy up and fix typos
Update manifest with ext/ contents
specs: adjust paths and tidy up
spec: add pending fftw3
Merge branch 'master' of https://github.com/thisMagpie/fftw into dev

Conflicts:
	Rakefile
	ext/nmatrix-fftw/fftw.c