Modify authors list to reflect reality

I have not committed anything for a very long time. It was a fun ride.

LICENSE

@@ -2,7 +2,8 @@
 
 Copyright (c) 2003-2011 - Gustavo Niemeyer <gustavo@niemeyer.net>
 Copyright (c) 2012-2014 - Tomi Pieviläinen <tomi.pievilainen@iki.fi>
-Copyright (c) 2014      - Yaron de Leeuw <me@jarondl.net>
+Copyright (c) 2014-2016 - Yaron de Leeuw <me@jarondl.net>
+Copyright (c) 2015-     - Paul Ganssle <paul@ganssle.io>
 
 All rights reserved.
 

README.rst

@@ -103,7 +103,7 @@
 
 * Gustavo Niemeyer <gustavo@niemeyer.net> 2003-2011
 * Tomi Pieviläinen <tomi.pievilainen@iki.fi> 2012-2014
-* Yaron de Leeuw <me@jarondl.net> 2014-
+* Yaron de Leeuw <me@jarondl.net> 2014-2016
 * Paul Ganssle <paul@ganssle.io> 2015-
 
 Our mailing list is available at `dateutil@python.org <https://mail.python.org/mailman/listinfo/dateutil>`_. As it is hosted by the PSF, it is subject to the `PSF code of

setup.py

@@ -19,7 +19,7 @@
 setup(name="python-dateutil",
       version=VERSION,
       description="Extensions to the standard Python datetime module",
-      author="Paul Ganssle, Yaron de Leeuw",
+      author="Paul Ganssle",
       author_email="dateutil@python.org",
       url="https://dateutil.readthedocs.io",
       license="Simplified BSD",