Add pypi/travis status logo in README

@@ -2,6 +2,12 @@
 Django "excontrib" Comments
 ===========================
 
+.. image:: https://img.shields.io/pypi/v/django-contrib-comments.svg
+   :target: https://pypi.python.org/pypi/django-contrib-comments
+
+.. image:: https://img.shields.io/travis/django/django-contrib-comments.svg
+    :target: http://travis-ci.org/django/django-contrib-comments
+
 Django used to include a comments framework; since Django 1.6 it's been
 separated to a separate project. This is that project.