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.

bin/common_post.hh

@@ -0,0 +1,37 @@
+// -*- coding: utf-8 -*-
+// Copyright (C) 2012, 2013, 2014, 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/>.
+
+#pragma once
+
+#include "common_sys.hh"
+#include <spot/twaalgos/postproc.hh>
+#include <argp.h>
+
+extern const struct argp post_argp;	     // postprocessing enabled
+extern const struct argp post_argp_disabled; // postprocessing disabled
+
+extern spot::postprocessor::output_type type;
+extern spot::postprocessor::output_pref pref;
+extern spot::postprocessor::output_pref comp;
+extern spot::postprocessor::output_pref sbacc;
+extern spot::postprocessor::optimization_level level;
+// True if --low, --medium, or --high has been given
+extern bool level_set;
+// True if --any, --small, or --deterministic has been given
+extern bool pref_set;