src/Tools/Metis/fix_metis_license

optimize trivial equalities early in Nitpick -- it shouldn't be the job of the peephole optimizer

#!/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)