/*========================================================================
*   Open eClass 2.5
*   E-learning and Course Management System
* ========================================================================
*  Copyright(c) 2003-2012  Greek Universities Network - GUnet
*  A full copyright notice can be read in "/info/copyright.txt".
*
*  Developers Group:	Costas Tsibanis <k.tsibanis@noc.uoa.gr>
*				Yannis Exidaridis <jexi@noc.uoa.gr>
*				Alexandros Diamantidis <adia@noc.uoa.gr>
*				Tilemachos Raptis <traptis@noc.uoa.gr>
*
*  Open eClass is an open platform distributed in the hope that it will
*  be useful (without any warranty), under the terms of the GNU (General
*  Public License) as published by the Free Software Foundation.
*  The full license can be read in "/info/license/license_gpl.txt".
*
*  Contact address: 	GUnet Asynchronous eLearning Group,
*  			Network Operations Center, University of Athens,
*  			Panepistimiopolis Ilissia, 15784, Athens, Greece
*  			eMail: info@openeclass.org
* =========================================================================*/

Open eClass was initially based on Claroline 1.3.0, by:
  Thomas De Praetere <depraetere@ipm.ucl.ac.be>
  Hugues Peeters    <peeters@ipm.ucl.ac.be>
  Christophe Gesche <gesche@ipm.ucl.ac.be>
  Copyright (c) 2001, 2002 Universite catholique de Louvain (UCL)

Special Credits to:

/************************************************************************

Evelthon Prodromou <eprodromou@upnet.gr> (University of Patras)

for his important contribution in Open eClass 2.0 & 2.1
Design & Developement: main template file, engine and css, 
                      personalised portfolio
                      Platform's User Interface  

************************************************************************/

Also Special Credits to:
 Stevy Georgiadi <stevy@gunet.gr> (University of Athens)
 Thanos Kyritsis <atkyritsis@upnet.gr> (University of Patras)
 Yannis Kapetanakis <bilias@edu.physics.uoc.gr> (Technological Education of Crete)

************************************************************************/

Also Credits to:
 Dimitra Kralli <d.kralli@di.uoa.gr> (University of Athens)
 Victoria Daskalou <daskalou@upnet.gr> (University of Patras)
 Artemios Vogiatzis <bogart@upatras.gr (University of Patras)
 Vangelis Chaniotakis <haniotak@ucnet.uoc.gr> (University of Crete)
 Stratos Karatzidis <kstratos@uom.gr> (University of Macedonia)
 Pitsiougas Vagelis <vagpits@uom.gr> (University of Macedonia)
 Ophelia Neofytou <ophelia@ucnet.uoc.gr> (Universify of Crete)
 Sakis Agorastos <th_agorastos@hotmail.com> (University of Piraeus)
 Dimitris Daskopoulos <dimitris@ccf.auth.gr> (Aristotele University of Thessaloniki)
 Savvas Anastasiadis <sanastas@ccf.auth.gr> (Aristotele University of Thessaloniki)
 Dimitris Tsachalis <ditsa@ccf.auth.gr> (Aristotele University of Thessaloniki)
 Ilias Mpertsimas <mhlias@noc.teilam.gr> (Technological Educational Institute of Lamia)
 Dionysios G. Synodinos <dsin@noc.ntua.gr> (National Technical University of Athens)
 Michalis Psaltakis <mpsaltakis@aegean.gr> (University of the Aegean)
 Konstantinidis K. (Aristotele University of Thessaloniki)
 Emmanuela Patiniotaki <aporoemm@hotmail.com> (University of Athens)
 George Doukas <geodoukas@upatras.gr> (University of Patras)
 Kostantinos Tsakaloglou <tsakf@yahoo.com>
 Evaggelos Matiatos <ematiat@noc.uoa.gr> (University of Athens)
 Apostolos Kechagias <apkech@gmail.com>
 Eirini Lagiou <eilagiou@upatras.gr> (University of Patras)

Messages translated to Spanish by: 
Ana Serrado Bayes <ana.serrado@uca.es>

Messages translated to German by: 
George Nikolaidis <nikolage@noc.uoa.gr>

Template Engine: Copyright 1999-2000 NetUSE GmbH Kristian Koehntopp

PclZip 2.8.2 : Vincent Blavet <vincent@phpconcept.net>
	Distributed under the GNU Lesser General Public License.
	http://www.phpconcept.net

phpBB Copyright (c) 2001 The phpBB Group

PEAR: Copyright (c) 1997-2004 The PHP Group

phpSysInfo:
  Copyright (c), 1999-2001, Uriah Welcome (precision@devrandom.net)
  Copyright (c), 1999-2001, Matthew Snelham (infinite@valinux.com)

JSCalendar: Copyright Mihai Bazon, 2002-2005
  Distributed under the GNU Lesser General Public License.
  http://www.dynarch.com/projects/calendar/old/

POP3 class : Manuel Lemos (http://www.manuellemos.net)  <WebMaster@E-na.Net>

Libchart - PHP chart library: Copyright 2005-2010 Jean Marc Tr?meaux <jm.tremeaux@gmail.com>
	http://naku.dohcrew.com/libchart/pages/introduction/

Dropbox module: Copyright 2004 Jan Bols <jan@ivpv.UGent.be>

Wiki module: Frederic Minne <zefredz@gmail.com>
class wiki2xhtml based on DotClear version 3.1d licensed under GPL
Copyright (c) 2004 Olivier Meunier and contributors.
  DotClear contributors: Stephanie Booth, Mathieu Pillard, Christophe Bonijol, 
  Jean-Charles Bagneris, Nicolas Chachereau, Jereme Lipowicz	

Learnpath module: Piraux Sebastien <pir@cerdecam.be>
        Lederer Guillaume <led@cerdecam.be>

Exercise module: Copyright Olivier Brouckaert <oli.brouckaert@skynet.be>

PHP MathPublisher : Copyright (c) 2005 by Pascal Brachet <pbrachet@xm1math.net> 
  http://www.xm1math.net/phpmathpublisher/
  
Function parse_tex(): Patrick Cool <patrick.cool@UGent.be>

Function user_get_data(): Mathieu Laurent <laurent@cerdecam.be>

Javascript SortTable (sorttable.js): Stuart Langridge (licenced as X11)
 http://www.kryogenix.org/code/browser/sorttable/

jQuery JavaScript Library v1.6 - Copyright 2010, John Resig
  Dual licensed under the MIT or GPL Version 2 licenses.
  http://jquery.com/
  Includes Sizzle.js - Copyright 2010, The Dojo Foundation
  Released under the MIT, BSD, and GPL Licenses.
  http://sizzlejs.com/

jQuery UI 1.8.1 - Copyright (c) 2010 (http://jqueryui.com/about)
  Dual licensed under the MIT and GPL licenses.

jQuery MultiSelect UI Widget 1.9, Copyright (c) 2011 Eric Hynds
  Dual licensed under the MIT and GPL licenses.
  http://www.erichynds.com/jquery/jquery-ui-multiselect-widget/

flowplayer 3.2.7 - Copyright 2009-2011 Flowplayer Oy

HTML Purify: (include/htmlpurifier-4.3.0-standalone)
 Copyright (C) 2006-2008 Edward Z. Yang
 Distributed under the GNU Lesser General Public (LGPL)
 version 2.1 or later.
 http://htmlpurifier.org/

Tiny MCE Editor
  Copyright © 2003-2011 Moxiecode Systems AB. All rights Reserved.
  Licensed under LGPL
  http:/tinymce.moxiecode.com
  version 3.4.9

PHP CAS Library - Copyright 2003 - 2010, The ESUP-Portail consortium & the JA-SIG Collaborative.
  Licensed under the New BSD License, an OSI-certified ("open") and Gnu/FSF-recognized ("free") license
  https://wiki.jasig.org/display/CASC/phpCAS
  version 1.2.2

SecureImage - Copyright 2009 Drew Phillips
  Licenced under GPL
  http://www.phpcaptcha.org Securimage PHP CAPTCHA
  author Drew Phillips <drew@drew-phillips.com>
  version 2.0.1 BETA (December 6th, 2009)
