Universal gfortran

The folks over at R (the statistical programing language) have developed a [universal gfortran](http://r.research.att.com/tools/), installed with a normal Mac installer (unlike the version over at [Mac HPC](http://hpc.sourceforge.net)). It has been used to compile universal binaries for [scipy](http://www.scipy.org) successfully, so this seems like a good option to use.