Updated http://www.nmr-relax.com/download.html to include information about Homebrew.
This points to the detailed instructions from Martin Ballaschk at:
http://thread.gmane.org/gmane.science.nmr.relax.user/1365
http://marc.info/?l=relax-users&m=135548382015595&w=2
http://www.mail-archive.com/relax-users@.../msg01311.html
https://mail.gna.org/public/relax-users/2012-12/msg00009.html
