Harmonized README, added link. (scikit-learn#7965)

Author: habi

README.rst

@@ -40,6 +40,7 @@ It is currently maintained by a team of volunteers.
 
 Website: http://scikit-learn.org
 
+
 Installation
 ------------
 
@@ -136,7 +137,7 @@ Project History
 
 The project was started in 2007 by David Cournapeau as a Google Summer
 of Code project, and since then many volunteers have contributed. See
-the AUTHORS.rst file for a complete list of contributors.
+the  `AUTHORS.rst <AUTHORS.rst>`_ file for a complete list of contributors.
 
 The project is currently maintained by a team of volunteers.