Reformat README

Signed-off-by: Ivan Kanakarakis <ivan.kanak@gmail.com>

README.rst

@@ -2,8 +2,7 @@
 PySAML2 - SAML2 in Python
 *************************
 
-:Author: Roland Hedberg
-:Version: 4.5.0
+:Version: see VERSION_
 :Documentation: https://pysaml2.readthedocs.io/
 
 .. image:: https://api.travis-ci.org/IdentityPython/pysaml2.png?branch=master
@@ -16,23 +15,25 @@ PySAML2 - SAML2 in Python
     :target: https://pypi.org/project/pysaml2/
 
 
-PySAML2 is a pure python implementation of SAML2. It contains all
-necessary pieces for building a SAML2 service provider or an identity provider.
-The distribution contains examples of both.
-Originally written to work in a WSGI environment there are extensions that
-allow you to use it with other frameworks.
+PySAML2 is a pure python implementation of SAML Version 2 Standard. It contains
+all necessary pieces for building a SAML2 service provider or an identity
+provider. The distribution contains examples of both. Originally written to
+work in a WSGI environment there are extensions that allow you to use it with
+other frameworks.
+
 
 Testing
 =======
-PySAML2 uses the `pytest <http://doc.pytest.org/en/latest/>`_ framework for
-testing. To run the tests on your system's version of python
 
-1. Create and activate a `virtualenv <https://virtualenv.pypa.io/en/stable/>`_.
-2. Inside the virtualenv, install the dependencies needed for testing :code:`pip install -r tests/test-requirements.txt`
+PySAML2 uses the pytest_ framework for testing. To run the tests on your
+system's version of python:
+
+1. Create and activate a virtualenv_
+2. Inside the virtualenv_, install the dependencies needed for testing
+   :code:`pip install -r tests/test-requirements.txt`
 3. Run the tests :code:`py.test tests`
 
-To run tests in multiple python environments, you can use
-`pyenv <https://github.com/yyuu/pyenv>`_ with `tox <https://tox.readthedocs.io/en/latest/>`_.
+To run tests in multiple python environments, you can use pyenv_ with tox_.
 
 
 Please contribute!
@@ -45,3 +46,10 @@ To help out, you could:
 3. Write more unit tests.
 
 **If you have the time and inclination I'm looking for Collaborators**
+
+
+.. _VERSION: VERSION
+.. _pytest: https://docs.pytest.org/en/latest/
+.. _virtualenv: https://virtualenv.pypa.io/en/stable/
+.. _pyenv: https://github.com/yyuu/pyenv
+.. _tox: https://tox.readthedocs.io/en/latest/