Flask-Gravatar is free software; you can redistribute it and/or modify it
under the terms of the Revised BSD License quoted below.

Copyright (C) 2011, 2012, 2013, 2014, 2015 Alexander Zelenyak.
Copyright (C) 2011 Max Countryman.
Copyright (C) 2012 Honza Javorek.
Copyright (C) 2012 Klinkin.
Copyright (C) 2013 Donald Stufft.
Copyright (C) 2013 Julien Kauffmann.
Copyright (C) 2013 Li Chuangbo.
Copyright (C) 2013 Miguel Grinberg.
Copyright (C) 2014 Andrew Grigorev.
Copyright (C) 2014 Nauman Ahmad.
Copyright (C) 2014 Paul Bonser.
Copyright (C) 2014 Tom Powell.
Copyright (C) 2015 CERN.

All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

* Redistributions of source code must retain the above copyright
  notice, this list of conditions and the following disclaimer.

* Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions and the following disclaimer in the
  documentation and/or other materials provided with the distribution.

* Neither the name of the copyright holder nor the names of its
  contributors may be used to endorse or promote products derived from
  this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.

In applying this license, CERN does not waive the privileges and
immunities granted to it by virtue of its status as an
Intergovernmental Organization or submit itself to any jurisdiction.
