Remove mention to py2.7 and adjust note about pygsp linking the notebook.

gen_doc/bin_pkgs/README_template.html

@@ -40,12 +40,9 @@ Note also that you can rely on your system package manager to install the Python
 
 <p>FAµST is compiled for Python @PY3_VER@.</p>
 
-<p>Note that starting from january 2020 python2.7 won&rsquo;t be supported anymore and FAµST newer packages won&rsquo;t deliver any python 2.7 wrapper too.
-Anyway, the python 3 versions are more advanced and it&rsquo;s highly recommended to move to these versions.</p>
+<p>If you want to use FAµST with Python 3 you must use precisely the @PY3_VER@ version because the FAµST Python wrapper delivered within the binary package is compiled for that minor version only.</p>
 
-<p>If you want to use FAµST with Python 3 you must use precisely the @PY3_VER@ version because the FAµST Python wrapper delivered within the binary package is compiled for that version only.</p>
-
-<p>@note pygsp is an optional python package to install in order to generate graphs and their Laplacians for testing the FGFT/eigen decomposition algorithms.</p>
+<p>@note pygsp is an optional python package to install in order to generate graphs and their Laplacians for testing the FGFT/eigen decomposition algorithms. It&rsquo;s not mandatory but can be used in a pyfaust related <a href="https://faustgrp.gitlabpages.inria.fr/faust/last-doc/html/Faust_factorization.html">notebook</a>.</p>
 
 <h3>1.2 For Matlab</h3>
 

gen_doc/bin_pkgs/README_template.md

@@ -30,12 +30,9 @@ Note also that you can rely on your system package manager to install the Python
 
 FAµST is compiled for Python @PY3_VER@.
 
-Note that starting from january 2020 python2.7 won't be supported anymore and FAµST newer packages won't deliver any python 2.7 wrapper too.
-Anyway, the python 3 versions are more advanced and it's highly recommended to move to these versions.
+If you want to use FAµST with Python 3 you must use precisely the @PY3_VER@ version because the FAµST Python wrapper delivered within the binary package is compiled for that minor version only.
 
-If you want to use FAµST with Python 3 you must use precisely the @PY3_VER@ version because the FAµST Python wrapper delivered within the binary package is compiled for that version only.
-
-@note pygsp is an optional python package to install in order to generate graphs and their Laplacians for testing the FGFT/eigen decomposition algorithms.
+@note pygsp is an optional python package to install in order to generate graphs and their Laplacians for testing the FGFT/eigen decomposition algorithms. It's not mandatory but can be used in a pyfaust related [notebook](https://faustgrp.gitlabpages.inria.fr/faust/last-doc/html/Faust_factorization.html).
 
 ### 1.2 For Matlab