move spot/bin/ and spot/tests/ up by one level

* spot/bin/: Move...
* bin/: ... here.
* spot/tests/: Move...
* tests/: ... here.
* Makefile.am, README, bench/stutter/Makefile.am,
bench/stutter/stutter_invariance_formulas.cc, doc/Makefile.am,
configure.ac, debian/rules, spot/Makefile.am, spot/ltsmin/Makefile.am,
spot/ltsmin/kripke.test, spot/sanity/style.test, python/tests/run.in:
Adjust.

tests/lenient.test

@@ -0,0 +1,57 @@
+#!/bin/sh
+# -*- coding: utf-8 -*-
+# Copyright (C) 2012 Laboratoire de Recherche et Développement de
+# l'Epita (LRDE).
+#
+# This file is part of Spot, a model checking library.
+#
+# Spot is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# Spot is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+# License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. ./defs || exit 1
+
+set -e
+
+ltlfilt=../../bin/ltlfilt
+
+cat >input <<EOF
+(a < b) U (b == c - 1)
+((a < b) U {b == c - 1})
+(((a < b) U (b == c - 1)))
+(((((a < b))) U (b == c - 1)))
+(((a < b) U (((b == c - 1)))))
+(((a < b ) U ({(  b == c - 1  )})))
+(((((  a < b))) U ( b == c - 1)))
+(((((  a < b))) U { b == c - 1}!))
+()a
+EOF
+
+cat >expected <<EOF
+"a < b" U "b == c - 1"
+"a < b" U "b == c - 1"
+"a < b" U "b == c - 1"
+"a < b" U "b == c - 1"
+"a < b" U "b == c - 1"
+"a < b" U "b == c - 1"
+"a < b" U "b == c - 1"
+"a < b" U "b == c - 1"
+Xa
+EOF
+
+run 0 $ltlfilt --lenient input > output
+cmp output expected
+
+
+
+run 2 $ltlfilt --lenient -f 'F( )' 2> stderr
+grep 'unexpected empty block' stderr