Copyright (C) 2012 Loris Corazza, Sakis Christakidis

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.

    For more information on P2NER peer to peer client, please see the 
project on University of Patras website here: 
http://nam.ece.upatras.gr/p2ner/


    The file stun.py (p2ner/utils/stun.py) is a fork of https://github.com/jtriley/pystun originally by jtiley and release under MIT license 

    The file vlc.py (p2ner/utils/vlc.py) is Python ctypes bindings for VLC
    Copyright (C) 2009-2010 the VideoLAN team
    Authors: Olivier Aubert <olivier.aubert at liris.cnrs.fr>
             Jean Brouwers <MrJean1 at gmail.com>
    
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
    
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.

Dependency Modules

  VLC media player - For video transcoding and display, download here: http://www.videolan.org

  Twisted - for networking and event driven tasks, download here: http://twistedmatrix.com

  bitarray - for binary encoding/decoding, download here: http://pypi.python.org/pypi/bitarray/

  construct - for binary encoding/decoding, download here: http://pypi.python.org/pypi/construct

  matplotlib - for live statistics visualization, download here: http://matplotlib.org/

  SciPy - for various mathematical functions used across the code, download here: http://www.scipy.org/

  PyGTK - For User interface, should already be present in your system.