Switch copyright and license tags to single style. Add contributor

names in AUTHORS instead, and add the license of etree13 to
LICENSE.

tests/util.py

@@ -3,8 +3,8 @@
     Sphinx test suite utilities
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-    :copyright: 2008 by Georg Brandl.
-    :license: BSD.
+    :copyright: Copyright 2007-2009 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
 """
 
 import sys