Updated the Gentoo section of the http://www.nmr-relax.com/download.html#GNU_Linux webpage.
This implements suggestions from Justin Lecher in the thread starting at http://thread.gmane.org/gmane.science.nmr.relax.devel/6074.
Authored by: bugman 2014-06-06
Parent: [r23698]
Child: [r23700]
