Added build status badge to README

README.md

@@ -1,6 +1,6 @@
 # django-drf-filepond: A filepond server implementation for Django + Django REST Framework
 
-[![PyPI version](https://img.shields.io/pypi/v/django-drf-filepond.svg)](https://pypi.python.org/pypi/django-drf-filepond/) [![Documentation Status](https://readthedocs.org/projects/django-drf-filepond/badge/?version=latest)](http://django-drf-filepond.readthedocs.io/?badge=latest)
+[![PyPI version](https://img.shields.io/pypi/v/django-drf-filepond.svg)](https://pypi.python.org/pypi/django-drf-filepond/) [![Build Status](https://travis-ci.org/ImperialCollegeLondon/django-drf-filepond.svg?branch=master)](https://travis-ci.org/ImperialCollegeLondon/django-drf-filepond) [![Documentation Status](https://readthedocs.org/projects/django-drf-filepond/badge/?version=latest)](http://django-drf-filepond.readthedocs.io/?badge=latest)
 
 **django-drf-filepond** is a Django app that provides a [filepond](https://github.com/pqina/filepond) server-side implementation for Django/Django REST Framework projects. The app can be easily added to your Django projects to provide a server-side API for the filepond file upload library.