Added introductory text to LICENSE

Christopher Fonnesbeck · Christopher Fonnesbeck · commit c9e059804db3 · 2013-05-04T11:32:57.000-05:00
diff --git a/LICENSE b/LICENSE
@@ -1,3 +1,13 @@
+=======
+License
+=======
+
+PyMC is distributed under the Apache License, Version 2.0
+
+Copyright (c) 2006 Christopher J. Fonnesbeck
+Copyright (c) 2007-2008 Christopher J. Fonnesbeck, Anand Prabhakar Patil, David Huard
+Copyright (c) 2009-2013 The PyMC developers (see contributors to pymc-devs on GitHub)
+All rights reserved.
 
                                  Apache License
                            Version 2.0, January 2004
