Updated readme

README.rst

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 pySAP-astro
 ===============
 
+|travis| |coveralls| |license| |python35| |python36| |python37|
+
+.. |travis| image:: https://travis-ci.org/CEA-COSMIC/pysap-astro.svg?branch=master
+  :target: https://travis-ci.org/CEA-COSMIC/pysap-astro
+
+.. |coveralls| image:: https://coveralls.io/repos/github/CEA-COSMIC/pysap-astro/badge.svg?branch=master
+  :target: https://coveralls.io/github/CEA-COSMIC/pysap-astro
+
+.. |python35| image:: https://img.shields.io/badge/python-3.5-green.svg
+  :target: https://www.python.org/
+
+.. |python36| image:: https://img.shields.io/badge/python-3.6-green.svg
+  :target: https://www.python.org/
+
+.. |python37| image:: https://img.shields.io/badge/python-3.7-green.svg
+  :target: https://www.python.org/
+
+
+Python Sparse data Analysis Package external ASTRO plugin.
+
+This work is made available by a community of people, amoung which the
+CEA Neurospin UNATI and CEA CosmoStat laboratories, in particular A. Grigis,
+J.-L. Starck, P. Ciuciu, and S. Farrens.
+
+
+Important links
+===============
+
+- Official pySAP source code repo: https://github.com/cea-cosmic/pysap
+- pySAP HTML documentation (last stable release): http://cea-cosmic.github.io/pysap
+
+
 Python Sparse data Analysis Package external ASTRO plugin.
 
 This work is made available by a community of people, amoung which the