The BSD 3-Clause License (BSD3)

Copyright (c) 2013-2014 Sascha Droste <pid@posteo.net>, Sven Strittmatter <weltraumschaf@googlemail.com>
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 author 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  HOLDER 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.