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/dbacomp.test

@@ -0,0 +1,59 @@
+#!/bin/sh
+# -*- coding: utf-8 -*-
+# Copyright (C) 2013, 2015 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
+set -e
+
+# This automaton used to trigger a bug in the complementation: its
+# intersection with the complement was not empty!
+cat >input.hoa <<EOF
+HOA: v1
+States: 3
+Start: 0
+AP: 4 "a" "d" "b" "c"
+acc-name: generalized-Buchi 3
+Acceptance: 3 Inf(0)&Inf(1)&Inf(2)
+properties: trans-labels explicit-labels trans-acc deterministic
+--BODY--
+State: 0
+[0&1 | 0&2] 0 {1 2}
+[!0&1 | !0&2] 0 {0 1 2}
+[0&!1&!2&!3] 1
+[!0&!1&!2&!3] 1 {0}
+State: 1
+[0&2&3] 0 {1 2}
+[!0&2&3] 0 {0 1 2}
+[0&!2&!3] 1
+[!0&!2&!3] 1 {0}
+[0&2&!3] 2 {1}
+[!0&2&!3] 2 {0 1}
+State: 2
+[0&1&3 | 0&2&3] 0 {1 2}
+[!0&1&3 | !0&2&3] 0 {0 1 2}
+[0&!1&!2&!3] 1
+[!0&!1&!2&!3] 1 {0}
+[0&1&!3 | 0&2&!3] 2 {1}
+[!0&1&!3 | !0&2&!3] 2 {0 1}
+--END--
+EOF
+
+# Check emptiness of product with complement.
+run 0 ../ikwiad -H -DC -C -XH input.hoa > output.hoa
+run 1 ../../bin/autfilt -q input.hoa --intersect output.hoa