Fix post_save in BulkCreateModelMixin
Added Martin Cavoj to the contributors list
Merge branch 'master' of https://github.com/macav/django-rest-framework-bulk into macav-master

Conflicts:
	README.rst
bumped version
missing line
adjusted links for Pypi
Add tests with failing condition for OPTIONS request method
Add a get_object method to BulkUpdateModelMixin

Some Django REST Framework methods expect a get_object method when they see that PUT requests are allowed (e.g., GenericAPIView.metadata). For a bulk update view, the object being modified is the queryset itself, so we return that.
Merge branch 'master' of https://github.com/miki725/django-rest-framework-bulk
Merge branch 'options-requests'