Ajout fichiers de licence CeCILL-B en francais et en anglais, Reza 01/04/2019

README

@@ -10,8 +10,13 @@
 SOPHYA is a collection of C++ classes designed for data analysis,
 and numerical code development, more specifically in physics,
 astrophysics and cosmology.
-Check http://www.sophya.org for more nformation on SOPHYA and installation
-instructions.
+
+This software is distributed under the CeCILL-B (http://www.cecill.info/index.fr.html) 
+licence. See the licence files in this directory:
+   - licence_CeCILL_B_V1_en.txt : licence agreement in english 
+   - licence_CeCILL_B_V1_en.txt : Texte de l'accord de licence en francais 
+
+Check http://www.sophya.org for more nformation on SOPHYA and installation instructions.
 
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 The code and documentation are grouped in 4 GIT reprositories: