src/Tools/rm-logfiles

added eq_sort (will move to sorts.ML eventually);
added get_sort (handles constraints / defaults);
attach_types: adapted to new get_sort;

#! /bin/sh
# $Id$
#Remove useless files from subdirectories
rm log */make*.log */make*.log.gz
rm */test
rm */.*.thy.ML */*/.*.thy.ML