src/Tools/Metis/fix_metis_license

Added tag Isabelle2013-2-RC1 for changeset 57aefb80b639

#!/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)