message: Fix : set conda link to the correct one (not licensing link)
diff: @@ -8,7 +8,7 @@ Installation
  Conda
  *****
  The easiest way to install the Python version of GUDHI is using
  -`conda <https://gudhi.inria.fr/licensing/>`_.
  +`conda <https://gudhi.inria.fr/conda/>`_.
  Compiling
  *********
  