lib/Tools/scala

replaced Proof.get_goal state by Proof.flat_goal state, which provides the standard view on goals for (semi)automated tools;

#!/usr/bin/env bash
#
# Author: Makarius
#
# DESCRIPTION: invoke Scala within the Isabelle environment

CLASSPATH="$(jvmpath "$CLASSPATH")"
exec "$ISABELLE_SCALA" "$@"