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_range.cc

@@ -0,0 +1,81 @@
+// -*- coding: utf-8 -*-
+// Copyright (C) 2012, 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/>.
+
+#include "common_sys.hh"
+#include "error.h"
+
+#include "common_range.hh"
+#include <iostream>
+#include <cstdlib>
+
+// The range should have the form INT..INT or INT:INT, with
+// "42" standing for "42..42",
+// "..42" meaning "missing_left..42".
+// and "42.." meaning "42..missing_right".
+//
+// As an exception, if missing_right is 0, then missing right bounds
+// are disallowed.
+range
+parse_range(const char* str, int missing_left, int missing_right)
+{
+  range res;
+  char* end;
+  res.min = strtol(str, &end, 10);
+  if (end == str)
+    {
+      // No leading number.  It's OK as long as the string is not
+      // empty.
+      if (!*end)
+	error(1, 0, "invalid empty range");
+      res.min = missing_left;
+    }
+  if (!*end)
+    {
+      // Only one number.
+      res.max = res.min;
+    }
+  else
+    {
+      // Skip : or ..
+      if (end[0] == ':')
+	++end;
+      else if (end[0] == '.' && end[1] == '.')
+	end += 2;
+
+      if (!*end && missing_right != 0)
+	{
+	  res.max = missing_right;
+	}
+      else
+	{
+	  // Parse the next integer.
+	  char* end2;
+	  res.max = strtol(end, &end2, 10);
+	  if (end == end2)
+	    error(1, 0, "invalid range '%s' (missing end?)", str);
+	  if (*end2)
+	    error(1, 0, "invalid range '%s' (trailing garbage?)", str);
+	}
+    }
+
+  if (res.min < 0 || res.max < 0)
+    error(1, 0, "invalid range '%s': values must be positive", str);
+
+  return res;
+}