Merge pull request #6 from mikel-egana-aranguren/master

ya esta casi
Little modifications done before Mikel's corrections
Merge branch 'master' of https://github.com/alejandroriglesias/PPIO_SWJ

Conflicts:
	PPIO_SWJ.log
	PPIO_SWJ.pdf
	PPIO_SWJ.tex
Mikel's changes done. Almost finished
Little modifications done in the discussion and PFC information added.
Last version?