Modify outdated copyright information

src/graph/flow/graph_augment.hh

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/flow/graph_flow_bind.cc

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/stats/graph_average.cc

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/stats/graph_average.hh

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/stats/graph_histograms.cc

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/stats/graph_histograms.hh

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/stats/graph_parallel.cc

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/stats/graph_parallel.hh

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/stats/graph_stats_bind.cc

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/topology/graph_all_distances.cc

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/topology/graph_components.cc

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/topology/graph_components.hh

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/topology/graph_similarity.cc

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/topology/graph_similarity.hh

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/util/graph_search.cc

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/util/graph_search.hh

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph/util/graph_util_bind.cc

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License

src/graph_tool/run_action/run_action_support.hh

-// Copyright (C) 2008  Tiago de Paula Peixoto <tiago@skewed.de>
+// Copyright (C) 2006-2013 Tiago de Paula Peixoto <tiago@skewed.de>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License