Add travis-ci support

.travis.yml

@@ -0,0 +1,3 @@
+language: python
+install: pip install tox --use-mirrors
+script: tox

README.rst

@@ -5,6 +5,8 @@
 Documentation
 =============
 
+.. image:: https://travis-ci.org/winhamwr/mixpanel-celery.png?branch=master
+
 mixpanel-celery helps you use `Celery`_ to asynchronously track your `Mixpanel`_
 events. Waiting on HTTP requests to Mixpanel's api to complete every time you
 want to record something slows you down. Using mixpanel-celery gives you all of
@@ -13,7 +15,7 @@ the Mixpanel goodness without any of the potential performance impact.
 mixpanel-celery works great with Django, but because Celery works with just
 python, so does mixpanel-celery.
 
-For full documenation vist the `online mixpanel-celery documentation`_ 
+For full documenation vist the `online mixpanel-celery documentation`_
 (or build the `sphinx`_ documentation yourself).
 
 This project isn't affiliated with the `Mixpanel`_ company. Just a customer's
@@ -22,4 +24,4 @@ implementation of a client for their service.
 .. _`Celery`: http://ask.github.com/celery/
 .. _`Mixpanel`: http://mixpanel.com/
 .. _`sphinx`: http://sphinx.pocoo.org/
-.. _`online mixpanel-celery documentation`: http://mixpanel-celery.readthedocs.org
+.. _`online mixpanel-celery documentation`: http://mixpanel-celery.readthedocs.org