Update README.rst

README.rst

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 Numina
 ======
 
-|zenodo| |docs| |pypi|
-
-.. image:: https://travis-ci.org/guaix-ucm/numina.svg?branch=master
-    :target: https://travis-ci.org/guaix-ucm/numina
-
-.. image:: https://coveralls.io/repos/guaix-ucm/numina/badge.svg?branch=master&service=github 
-    :target: https://coveralls.io/github/guaix-ucm/numina?branch=master 
+|zenodo| |docs| |pypi| |travis| |coveralls|
 
 This is Numina, the data reduction package used by the following
 Gran Telescopio Canarias instruments: EMIR, FRIDA, MEGARA and MIRADAS.
 
-Numina is distributed under GNU GPL, either version 3 of the License, 
-or (at your option) any later version. See the file LICENSE.txt for 
-details.
-
-Requirements
-------------
-
-Python 2.7 or 3.6 (or greater) is required. Numina requires the following
-packages installed in order to work properly:
+You can install numina using
+the `released code in PyPI <https://pypi.org/project/numina/>`_ or
+the `development version in Github <https://github.com/guaix-ucm/numina>`_.
 
- - setuptools (http://pythonhosted.org/setuptools/)
- - six >= 1.7 (https://pythonhosted.org/six/)
- - numpy >= 1.6 (http://numpy.scipy.org/) 
- - scipy (http://www.scipy.org)
- - astropy >= 2 (http://www.astropy.org/)
- - PyYaml (http://pyyaml.org/)
- - dateutil (https://pypi.org/project/python-dateutil/)
- - lmfit (https://lmfit.github.io/lmfit-py/)
- - scikit-image (https://scikit-image.org/)
-
-The documentation of the project is generated using Sphinx (http://sphinx.pocoo.org/)
-
-Additional packages are optionally required:
- - sphinx (http://sphinx-doc.org) to build the documentation
- - pytest (http://pytest.org) for testing
+The installation instructions are available in the
+`online documentation <https://numina.readthedocs.io/en/latest/user/install.html>`_
+or `doc/user/install.rst <doc/user/install.rst>`_ in the source distribution.
 
+Licensing
+---------
+Numina is distributed under GNU GPL, either version 3 of the License,
+or (at your option) any later version. See the file LICENSE.txt for
+details.
 
+Authors
+-------
 Webpage: https://github.com/guaix-ucm/numina
 
 Maintainers: Sergio Pascual sergiopr@fis.ucm.es, Nicolás Cardiel cardiel@ucm.es
 
 
-Stable version
---------------
-
-The latest stable version of Numina can be downloaded from  
-https://pypi.python.org/pypi/numina
-
-To install numina, use the standard installation procedure:::
-
-    $ tar zxvf numina-X.Y.Z.tar.gz
-    $ cd numina-X.Y.Z
-    $ python setup.py install
-    
-
-The `install` command provides options to change the target directory. By default
-installation requires administrative privileges. The different installation options
-can be checked with::: 
-
-   $ python setup.py install --help
-
-Development version
--------------------
-
-The development version can be checked out with:::
-
-    $ git clone https://github.com/guaix-ucm/numina.git
-
-And then installed following the standard procedure:::
-
-    $ cd numina
-    $ python setup.py install
-
-Building the documentation
---------------------------
-The Numina documentation is based on `sphinx`_. With the package installed,
-the html documentation can be built from the `doc` directory::
-
-  $ cd doc
-  $ make html
-  
-The documentation will be copied to a directory under `build/sphinx`. 
-
-The documentation can be built in different formats. The complete list will appear
-if you type `make` 
-
-.. _virtualenv: http://pypi.python.org/pypi/virtualenv
-.. _sphinx: http://sphinx.pocoo.org
-
 .. |docs| image:: https://readthedocs.org/projects/numina/badge/?version=latest
     :alt: Documentation Status
     :target: http://numina.readthedocs.org/en/latest/?badge=latest
 
 .. |zenodo| image:: https://zenodo.org/badge/doi/10.5281/zenodo.593638.svg
    :target: https://doi.org/10.5281/zenodo.593638
-
+   :alt: Numina's Zenodo DOI
 
 .. |pypi| image:: https://badge.fury.io/py/numina.svg
     :target: https://badge.fury.io/py/numina
+    :alt: Numina's PyPI version
+
+.. |travis| image:: https://img.shields.io/travis/guaix-ucm/numina/master?logo=travis%20ci&logoColor=white&label=Travis%20CI
+    :target: https://travis-ci.org/guaix-ucm/numina
+    :alt: Numina's Travis CI Status
 
+.. |coveralls| image:: https://coveralls.io/repos/guaix-ucm/numina/badge.svg?branch=master&service=github
+    :target: https://coveralls.io/github/guaix-ucm/numina?branch=master
+     :alt: Numina's Coverall Status