add badges to readme

Author: michaelbuehlmann

MANIFEST.in

@@ -1,3 +1,4 @@
+include README.rst
 include *.txt
 graft catana
 graft cmake

README.rst

@@ -1,3 +1,18 @@
+.. image:: https://img.shields.io/github/release/michaelbuehlmann/CatAna/all.svg?style=flat-square
+   :target: https://github.com/michaelbuehlmann/CatAna
+
+.. image:: https://img.shields.io/pypi/v/catana.svg?style=flat-square
+   :target: https://pypi.python.org
+
+.. image:: https://img.shields.io/github/tag/michaelbuehlmann/CatAna.svg?style=flat-square
+   :target: https://github.com/michaelbuehlmann/CatAna
+
+.. image:: https://img.shields.io/travis/michaelbuehlmann/CatAna/master.svg?style=flat-square
+   :target: https://travis-ci.org/michaelbuehlmann/CatAna
+
+.. image:: https://img.shields.io/github/license/michaelbuehlmann/CatAna.svg?style=flat-square
+   :target: https://github.com/michaelbuehlmann/CatAna
+
 .. code-block:: none
 
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