/*!\page pplPageCredits Credits

Die PPL-Library verwendet fremden Code, der zum Teil in der Library intergiert ist,
zum Teil wird dagegen gelinkt. Sämtlicher integrierter Code sowie alle zwingend
erforderlichen Libraries stehen unter einer BSD oder BSD ähnlichen Lizenz.

- \ref pplPageCredits_Integrated
- \ref pplPageCredits_Linked
	- \ref pplPageCredits_Linked_Required
	- \ref pplPageCredits_Linked_Optional

\section pplPageCredits_Integrated Integrierter Code
- <b>MD5-Hashberechnung</b>\n
  Copyright RSA Data Security, Inc. MD5 Message-Digest Algorithm)
\code
MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm

Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
rights reserved.

License to copy and use this software is granted provided that it
is identified as the "RSA Data Security, Inc. MD5 Message-Digest
Algorithm" in all material mentioning or referencing this software
or this function.

License is also granted to make and use derivative works provided
that such works are identified as "derived from the RSA Data
Security, Inc. MD5 Message-Digest Algorithm" in all material
mentioning or referencing the derived work.

RSA Data Security, Inc. makes no representations concerning either
the merchantability of this software or the suitability of this
software for any particular purpose. It is provided "as is"
without express or implied warranty of any kind.

These notices must be retained in any copies of any part of this
documentation and/or software.
\endcode 
  
- <b>Zufallszahlengenerator</b>\n
  Copyright (c) 1983, 1993 The Regents of the University of California
\code
Copyright (c) 1983, 1993
     The Regents of the University of California.  All rights reserved.

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.
4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
\endcode

- <b>CRC32-Berechnung</b>\n
  Quelle unbekannt
- <b>GIF-Reader</b>\n
  Copyright 1990, 1991, 1993 by David Koblas
\code
+-------------------------------------------------------------------+
| Copyright 1990, 1991, 1993, David Koblas.  (koblas@netcom.com)    |
|   Permission to use, copy, modify, and distribute this software   |
|   and its documentation for any purpose and without fee is hereby |
|   granted, provided that the above copyright notice appear in all |
|   copies and that both that copyright notice and this permission  |
|   notice appear in supporting documentation.  This software is    |
|   provided "as is" without express or implied warranty.           |
+-------------------------------------------------------------------+
\endcode

\section pplPageCredits_Linked Verlinkte Libraries
\subsection pplPageCredits_Linked_Required Zwingend erforderliche Libraries
Die nachfolgenden Libraries sind zwingend erforderlich, um die PPL-Library kompilieren zu können.
Das configure-Script prüft diese und bricht ab, wenn sie nicht vorhanden sind.

- <b>PCRE</b> (http://www.pcre.org/)\n
  Copyright (c) 1997-2008 University of Cambridge All rights reserved.
\code
PCRE LICENCE
------------

PCRE is a library of functions to support regular expressions whose syntax
and semantics are as close as possible to those of the Perl 5 language.

Release 7 of PCRE is distributed under the terms of the "BSD" licence, as
specified below. The documentation for PCRE, supplied in the "doc"
directory, is distributed under the same terms as the software itself.

The basic library functions are written in C and are freestanding. Also
included in the distribution is a set of C++ wrapper functions.


THE BASIC LIBRARY FUNCTIONS
---------------------------

Written by:       Philip Hazel
Email local part: ph10
Email domain:     cam.ac.uk

University of Cambridge Computing Service,
Cambridge, England.

Copyright (c) 1997-2008 University of Cambridge
All rights reserved.


THE C++ WRAPPER FUNCTIONS
-------------------------

Contributed by:   Google Inc.

Copyright (c) 2007-2008, Google Inc.
All rights reserved.


THE "BSD" LICENCE
-----------------

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 University of Cambridge nor the name of Google
      Inc. nor the names of their 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 OWNER 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.

End
\endcode

- <b>Zlib</b> (http://www.zlib.net/)\n
  Copyright (C) 1995-2005 Jean-loup Gailly and Mark Adler
\code
  zlib.h -- interface of the 'zlib' general purpose compression library
  version 1.2.3, July 18th, 2005

  Copyright (C) 1995-2005 Jean-loup Gailly and Mark Adler

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.

  Jean-loup Gailly jloup@gzip.org
  Mark Adler madler@alumni.caltech.edu
\endcode

- <b>Bzip2</b> (http://www.bzip.org/)\n
  Copyright (C) 1996-2007 Julian R Seward
\code
This program, "bzip2", the associated library "libbzip2", and all
documentation, are copyright (C) 1996-2007 Julian R Seward.  All
rights reserved.

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. The origin of this software must not be misrepresented; you must 
   not claim that you wrote the original software.  If you use this 
   software in a product, an acknowledgment in the product 
   documentation would be appreciated but is not required.

3. Altered source versions must be plainly marked as such, and must
   not be misrepresented as being the original software.

4. The name of the author may not be used to endorse or promote 
   products derived from this software without specific prior written 
   permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.

Julian Seward, jseward@bzip.org
bzip2/libbzip2 version 1.0.5 of 10 December 2007
\endcode

\subsection pplPageCredits_Linked_Optional Optionale Libraries
Die Nachfolgenden Libraries können optional mit der PPL-Library verwendet werden.
Bei Verwendung dieser Libraries müssen die gegebenenfalls abweichenden Lizenzbestimmungen
berücksichtigt werden.
 
- MySQL (http://www.mysql.org/)
- FreeTDS (http://www.freetds.org/)
- Sybase (http://www.sybase.com/)
- PNG (http://www.libpng.org/pub/png/)
- JPEG (http://www.ijg.org/)
- SDL (http://www.libsdl.org/)
- FreeType2 (http://www.freetype.org/)
- Iconv (http://www.gnu.org/software/libiconv/)
- MCrypt (http://mcrypt.sourceforge.net/)
- Lame (http://lame.sourceforge.net/)
- LibMad (http://mad.sourceforge.net/)
- Curl (http://curl.haxx.se/)
- OpenSSL (http://www.openssl.org/)
- LDNS (http://www.nlnetlabs.nl/projects/ldns/)

*/
