Merge branch 'jerome_readme_rst' into 'master'

convert README as rst

So that it displays correctly in gitlab

See merge request !1

setup.py

@@ -13,7 +13,7 @@ def read(name):
   return open(name).read()
 
 long_description=(
-        read('README')
+        read('README.rst')
         + '\n' +
         read('CHANGES.txt')
     )