Add a Travis badge for the master branch

brettcannon · web-flow · commit 3f9339b569b0 · 2017-02-10T14:31:08.000-08:00
diff --git a/.github/CONTRIBUTING.rst b/.github/CONTRIBUTING.rst
@@ -6,6 +6,8 @@ Build Status
 
 - master
 
+  + .. image:: https://travis-ci.org/python/cpython.svg?branch=master
+       :target: https://travis-ci.org/python/cpython
   + `Stable buildbots <http://buildbot.python.org/3.x.stable/>`_
 
 - 3.6
