inserted Suc_less_eq explictly in a few proofs.
inserted o_def explictly in a few proofs because the new split_tac causes
fewer eta-expansions which some of the rewrites need.
Indented proof in I.ML
#! /bin/sh
# $Id$
#Remove useless files from subdirectories
rm log */make*.log */make*.log.gz
rm */test
find . -name '.*.thy.ML' -print -exec rm {} \;