Simplify install instructions

INSTALL.rst

@@ -5,8 +5,8 @@ Install and run
 
 The requirements come from kwant and tkwant. `Install instructions <https://kwant-project.org/doc/1/pre/install>`_ from Kwant have been used to write a more thorough guide in what follows.
 
-Packages for Ubuntu
-~~~~~~~~~~~~~~~~~~~
+Packages for Ubuntu (≥ 18.04)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 1. Enable the “universe” and “multiverse” repositories: open an
    application called “Software & updates”. In “Ubuntu Software” tab,
@@ -15,12 +15,12 @@ Packages for Ubuntu
 2. Install some additional packages
     .. code:: shell
 
-        $ sudo apt install git cython3 g++ g++-7  libhwloc-dev libibverbs-dev libjs-jquery-ui libblas-dev libmumps-scotch-5.1.2 libnuma-dev libscotch-6.0 libstdc++-7-dev g++ gfortran libmumps-scotch-dev build-essential libopenblas-dev liblapack-dev librsb-dev
+        $ sudo apt install git cython3 g++ libhwloc-dev libibverbs-dev libblas-dev ~nlibmumps-scotch-* libnuma-dev ~nlibscotch-* ~nlibstdc++-*-dev gfortran libmumps-scotch-dev build-essential libopenblas-dev liblapack-dev
 
 3. Install python dependencies
     .. code:: shell
    
-        $ sudo apt install python3-pip ipython3 python3-mpi4py python3-dill python3-scipy python3-dev python3-setuptools python3-matplotlib python3-pytest python3-sympy python-matplotlib-data python3-cycler python3-dateutil python3-decorator python3-ipython python3-ipython-genutils python3-mpmath python3-pickleshare python3-prompt-toolkit python3-pygments python3-pyparsing python3-simplegeneric  python3-traitlets python3-wcwidth
+        $ sudo apt install python3-pip python3-mpi4py python3-dill python3-scipy python3-dev python3-matplotlib python3-pytest python3-sympy python3-mpmath python3-pickleshare python3-prompt-toolkit python3-pygments python3-pyparsing python3-simplegeneric python3-traitlets
 
 4. Install python virtualenv to be able to have python virtual environments:
     .. code:: shell
@@ -41,7 +41,7 @@ different names.
 2. Python packages
     .. code:: shell
         
-        $ sudo dnf install python3-pip python3-dill python3-Cython python3-devel python3-scipy python3-setuptools python3-matplotlib python3-pytest python3-sympy python3-cycler python3-dateutil python3-decorator python3-ipython python3-matplotlib python3-mpmath python3-pickleshare python3-pygments python3-pyparsing python3-simplegeneric python3-sympy python3-traitlets python3-wcwidth python3-configparser python3-mpi4py-mpich python3-mpi4py-openmpi``
+        $ sudo dnf install python3-pip python3-dill python3-Cython python3-devel python3-scipy python3-matplotlib python3-pytest python3-sympy python3-mpmath python3-pickleshare python3-pygments python3-pyparsing python3-simplegeneric python3-traitlets python3-configparser python3-mpi4py-mpich python3-mpi4py-openmpi``
 
 3. Install python virtualenv to be able to have python virtual environments:
     .. code:: shell
@@ -155,7 +155,7 @@ To build locally the documentation of `tkwantoperator`, few additional (on top o
 
 .. code:: shell
 
-    $ pip3 install sphinx, jupyter-sphinx
+    $ pip3 install sphinx jupyter-sphinx
 
 The documentation can then be build directly in the ``doc`` folder of the 
 local tkwantoperator source code repository from the command line: