src/Tools/Metis/fix_metis_license

fewer workarounds for MacOS to increase chances that COMMAND ("META") key works with Java 1.7 from Oracle;

#!/usr/bin/env bash
THIS=$(cd "$(dirname "$0")"; echo $PWD)
(cd $THIS;
 perl -p -i~ -w -e 's/MIT license/BSD License/g' Makefile src/*.s* scripts/mlpp)