Fix for 404 page when passed exception kwarg (#1277)
Fix for 404 page when passed exception kwarg (#1277)

* Fix for MultiValueDictKeyError when accessing OrderFulfillmentView

* Added *args and **kwargs to page_404 and page_500

* Fixed linting for unused-argument

* Removes protection against MultiValueDictKeyError

mitodl/micromasters,mitodl/micromasters,mitodl/micromasters,mitodl/micromasters