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/options.py

@@ -0,0 +1,71 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+# Copyright (C) 2014 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/>.
+
+
+# Run all binaries, and collect the long option associated to each
+# short option for easy comparison.
+# This script should work with both Python 2 and 3.
+
+from sys import stdout as out
+import re
+import subprocess
+
+with open('Makefile.am', 'r') as mf:
+    lines = mf.read()
+
+lines = re.sub('\s*\\\\\s*', ' ', lines)
+bin_programs = re.search('bin_PROGRAMS\s*=([\w \t]*)', lines).group(1).split()
+
+optre = re.compile('(-\w), (--[\w=-]+)')
+
+d = {}
+
+for tool in bin_programs:
+    args = ('./' + tool, '--help')
+    try:
+        popen = subprocess.Popen(args, stdout=subprocess.PIPE)
+    except OSError:
+        print("Cannot execute " + tool + ", is it compiled?")
+        exit(1)
+    popen.wait()
+    output = popen.communicate()[0].decode('utf-8')
+
+    for match in optre.finditer(output):
+        shortname, longname = match.group(1), match.group(2)
+        if not shortname in d:
+            d[shortname] = { longname: tool }
+        elif not longname in d[shortname]:
+            d[shortname][longname] = tool
+        else:
+            w = ('%29s' % '') + d[shortname][longname]
+            w = w[w.rfind('\n') + 1 : -1]
+            if len(w + ' ' + tool) < 80:
+                d[shortname][longname] += ' ' + tool
+            else:
+                d[shortname][longname] += '\n%29s%s' % ('', tool)
+
+# The lambda function works around the fact that x might be an str or
+# a unicode object depending on the Python implementation.
+for shortname in sorted(d, key=lambda x: x.lower()):
+    out.write(shortname)
+    first=''
+    for longname in sorted(d[shortname]):
+        out.write('%s  %-24s %s\n' % (first, longname, d[shortname][longname]))
+        first='  '