configure

Renamed expand_if to split_if and setloop split_tac to addsplits,
as in HOL

#!/bin/sh
#
# $Id$
#
# configure - adapt Isabelle distribution to system environment

## patch scripts

if bash -c ""
then
  bash lib/scripts/patch-scripts.bash
else
  echo "FATAL ERROR: bash not found!"
  exit 2
fi