adding LICENCE

LICENCE

+###########################################################################################
+# Copyright or © or Copr. Chloé Dequeker, Elodie Laine and Alessandra Carbone (03-jan-2017)
+# chloe.dequeker@upmc.fr, elodie.laine@upmc.fr, alessandra.carbone@lip6.fr 
+# UMR 7238 Biologie Computationnelle et Quantitative
+# 
+# Used library or packages:
+# Eigen library, under GNU Free Documentation License 1.2
+# Numpy package under the BSD license
+# MDtraj python package under the Lesser GNU General Public License (LGPL v2.1+)
+#
+# This software is a computer program whose purpose is to dissect proteins 
+# dynamical architectures. It requires as input the MD trajectorie(s) of the  
+# studied protein and a PDB file of the same protein.
+# 
+# This software is governed by the CeCILL license under French law and abiding
+# by the rules of distribution of free software. You can use, modify and/or
+# redistribute the software under the terms of the CeCILL license as circulated
+# by CEA, CNRS and INRIA at the following URL "http://www.cecill.info". 
+# 
+# As a counterpart to the access to the source code and rights to copy, modify
+# and redistribute granted by the license, users are provided only with a
+# limited warranty and the software's author, the holder of the economic rights,
+# and the successive licensors have only limited liability. 
+# 
+# In this respect, the user's attention is drawn to the risks associated with
+# loading, using, modifying and/or developing or reproducing the software by
+# the user in light of its specific status of free software, that may mean that
+# it is complicated to manipulate, and that also therefore means that it is
+# reserved for developers and experienced professionals having in-depth computer
+# knowledge. Users are therefore encouraged to load and test the software's
+# suitability as regards their requirements in conditions enabling the security
+# of their systems and/or data to be ensured and, more generally, to use and
+# operate it in the same conditions as regards security. 
+# 
+# The fact that you are presently reading this means that you have had knowledge
+# of the CeCILL license and that you accept its terms.
+###########################################################################################