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

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

2. 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.

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. 

Statement of Purpose

The laws of most jurisdictions throughout the world
automatically confer exclusive Copyright and Related Rights
(defined below)
upon the creator and subsequent owner(s) (each and all, an "owner")
of an original work of authorship and/or a database (each, a "Work").

Certain owners wish to permanently relinquish those rights to a Work
for the purpose of contributing to a commons
of creative, cultural and scientific works ("Commons")
that the public can reliably and without fear
of later claims of infringement
build upon, modify, incorporate in other works, reuse and redistribute
as freely as possible in any form whatsoever and for any purposes,
including without limitation commercial purposes.
These owners may contribute to the Commons
to promote the ideal of a free culture and the further production
of creative, cultural and scientific works,
or to gain reputation or greater distribution
for their Work in part through the use and efforts of others.

For these and/or other purposes and motivations,
and without any expectation
of additional consideration or compensation,
the person associating CC0 with a Work (the "Affirmer"),
to the extent that he or she is an owner
of Copyright and Related Rights in the Work,
voluntarily elects to apply CC0 to the Work
and publicly distribute the Work under its terms,
with knowledge of his or her Copyright and Related Rights in the Work
and the meaning and intended legal effect of CC0 on those rights.

1. Copyright and Related Rights.
A Work made available under CC0 may be protected
by copyright and related or neighboring rights
("Copyright and Related Rights").
Copyright and Related Rights
include, but are not limited to, the following:

 * the right to reproduce, adapt, distribute, perform, display,
   communicate, and translate a Work;
 * moral rights retained
   by the original author(s) and/or performer(s);
 * publicity and privacy rights
   pertaining to a person's image or likeness
   depicted in a Work;
 * rights protecting against unfair competition
   in regards to a Work,
   subject to the limitations in paragraph 4(a), below;
 * rights protecting the extraction, dissemination, use and reuse
   of data in a Work;
 * database rights
   (such as those arising under Directive 96/9/EC
   of the European Parliament and of the Council of 11 March 1996
   on the legal protection of databases,
   and under any national implementation thereof,
   including any amended or successor version of such directive); and
 * other similar, equivalent or corresponding rights
   throughout the world based on applicable law or treaty,
   and any national implementations thereof.

2. Waiver.
To the greatest extent permitted
by, but not in contravention of, applicable law,
Affirmer hereby overtly, fully, permanently,
irrevocably and unconditionally waives, abandons, and surrenders
all of Affirmer's Copyright and Related Rights
and associated claims and causes of action,
whether now known or unknown
(including existing as well as future claims and causes of action),
in the Work
(i) in all territories worldwide,
(ii) for the maximum duration provided by applicable law or treaty
(including future time extensions),
(iii) in any current or future medium and for any number of copies,
and (iv) for any purpose whatsoever,
including without limitation commercial,
advertising or promotional purposes (the "Waiver").
Affirmer makes the Waiver
for the benefit of each member of the public at large
and to the detriment of Affirmer's heirs and successors,
fully intending that such Waiver shall not be subject
to revocation, rescission, cancellation, termination,
or any other legal or equitable action
to disrupt the quiet enjoyment of the Work
by the public as contemplated
by Affirmer's express Statement of Purpose.

3. Public License Fallback.
Should any part of the Waiver for any reason be judged
legally invalid or ineffective under applicable law,
then the Waiver shall be preserved to the maximum extent permitted
taking into account Affirmer's express Statement of Purpose.
In addition, to the extent the Waiver is so judged
Affirmer hereby grants to each affected person
a royalty-free, non transferable, non sublicensable,
non exclusive, irrevocable and unconditional license
to exercise Affirmer's Copyright and Related Rights in the Work
(i) in all territories worldwide,
(ii) for the maximum duration provided
by applicable law or treaty (including future time extensions),
(iii) in any current or future medium and for any number of copies,
and (iv) for any purpose whatsoever,
including without limitation commercial,
advertising or promotional purposes (the "License").
The License shall be deemed effective
as of the date CC0 was applied by Affirmer to the Work.
Should any part of the License for any reason be judged
legally invalid or ineffective under applicable law,
such partial invalidity or ineffectiveness shall not invalidate
the remainder of the License,
and in such case Affirmer hereby affirms
that he or she will not
(i) exercise any of his or her
remaining Copyright and Related Rights in the Work
or (ii) assert any associated claims and causes of action
with respect to the Work,
in either case contrary to Affirmer's express Statement of Purpose.

4. Limitations and Disclaimers.
 * No trademark or patent rights held by Affirmer
   are waived, abandoned, surrendered,
   licensed or otherwise affected by this document.
 * Affirmer offers the Work as-is
   and makes no representations or warranties
   of any kind concerning the Work,
   express, implied, statutory or otherwise,
   including without limitation warranties
   of title, merchantability, fitness for a particular purpose,
   non infringement, or the absence of latent
   or other defects, accuracy, or the present or absence of errors,
   whether or not discoverable,
   all to the greatest extent permissible under applicable law.
 * Affirmer disclaims responsibility
   for clearing rights of other persons
   that may apply to the Work or any use thereof,
   including without limitation
   any person's Copyright and Related Rights in the Work.
   Further, Affirmer disclaims responsibility
   for obtaining any necessary consents, permissions or other rights
   required for any use of the Work.
 * Affirmer understands and acknowledges
   that Creative Commons is not a party to this document
   and has no duty or obligation
   with respect to this CC0 or use of the Work.