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/scc.test

@@ -0,0 +1,35 @@
+#!/bin/sh
+# -*- coding: utf-8 -*-
+# Copyright (C) 2009, 2015 Laboratoire de Recherche et Developpement de
+# l'Epita
+#
+# 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
+
+set -e
+
+cat >formulas<<EOF
+((a U c) U b) & (b U c),15,6,5
+b U a,3,2,2
+0,0,1,1
+(Gb | F!a) W GFc,22,6,5
+(!a & G(Ga | F(!a & b))) | (a & F(F!a & G(a | !b))),16,7,6
+EOF
+
+run 0 ../../bin/ltl2tgba --low --any --stats='%f,%e,%s,%c' -F formulas/1 >out
+cat out
+diff out formulas