Fix Travis badge

Author: David-Wobrock

README.md

@@ -1,7 +1,7 @@
 Django Better Migrations
 ========================
 
-[![Build Status](https://travis-ci.org/jbbarth/django-better-migrations.svg?branch=master)](https://travis-ci.org/jbbarth/django-better-migrations)
+[![Build Status](https://travis-ci.org/botify-labs/django-better-migrations.svg?branch=master)](https://travis-ci.org/botify-labs/django-better-migrations)
 
 This project aims at providing improvements to Django's default migration system.
 The default migration system is over-engineered, sometimes dangerous, and not