Add link to github: for real

Author: vene

README.rst

@@ -6,6 +6,8 @@ polylearn
 A library for **factorization machines** and **polynomial networks**
 for classification and regression in Python.
 
+`Github repository. <https://github.com/scikit-learn-contrib/polylearn/>_`
+
 .. image:: https://travis-ci.org/scikit-learn-contrib/polylearn.svg?branch=master
     :target: https://travis-ci.org/scikit-learn-contrib/polylearn
 

doc/conf.py

@@ -142,7 +142,6 @@
 html_theme_options = {
     'navbar_links': [
         # ('Introduction', 'intro'),
-        ('Github repo', 'https://github.com/scikit-learn-contrib/polylearn/'),
         ('References', 'references'),
         ('Examples', 'auto_examples/index'),
     ],