Fix broken lunaryorn link.

Signed-off-by: mulhern <amulhern@redhat.com>

README.rst

@@ -2,8 +2,8 @@
 pyudev
 ######
 
-.. image:: https://secure.travis-ci.org/lunaryorn/pyudev.png?branch=develop
-   :target: http://travis-ci.org/lunaryorn/pyudev
+.. image:: https://secure.travis-ci.org/pyudev/pyudev.png?branch=develop
+   :target: http://travis-ci.org/pyudev/pyudev
 
 http://pyudev.readthedocs.org