The OpenTween icons

  Copyright (C) 2012 抹花 / @matsukaaaa

License:

  This icon set is dual licensed. You can redistribute it and/or modify it
  under the terms of the Creative Commons Attribution-ShareAlike 2.1 Japan
  (CC BY-SA 2.1 JP), the GNU Lesser General Public License Version 3 (LGPL3)
  or any later version of LGPL.

  You can obtain a copy of the Creative Commons Attribution-ShareAlike 2.1
  Japan at http://creativecommons.org/licenses/by-sa/2.1/jp/.

  The complete text of the GNU Lesser General Public License version 3
  available in the file LICENSE.LGPL-3.