add django-model-utils

README.md

@@ -114,6 +114,7 @@
 * [django-filter](https://github.com/carltongibson/django-filter) - Powerful filters based on Django QuerySets
 * [django-guardian](https://github.com/django-guardian/django-guardian) - Per object permissions in Django
 * [django-hijack](https://github.com/arteria/django-hijack) - Admins can log in and work on behalf of other users without having to know their credentials
+* [django-model-utils](https://github.com/jazzband/django-model-utils) - Django model mixins and utilities
 * [django-tables2](https://github.com/jieter/django-tables2) - HTML tables with pagination/sorting
 * [django-test-plus](https://github.com/revsys/django-test-plus/) - Useful additions to Django's default TestCase
 * [pytest-django](https://github.com/pytest-dev/pytest-django) - Use pytest features in Django