* Added new authentication class(meets drf standards)

The new class replaces the deprecated oauth2authetnication class from rest_framework_auth library(repo django-rest-framework-oauth).
Majority of the code is combination of copy-pasta from old oauth2authentication class and Oauth2AuthenticationAllowInactiveUser class

* Added ability to switch to new authentication class in bookmarks app

* Changed error type reported by Outh class. It now outputs a json rather than a string.

Include bookmark info in sequence metadata.

* Bumping edx-enterprise version

* Running make upgrade to bump edx-enterprise

* contraining a package

* fix

* adding yet another constraint

 BOM-897: add course_ids api

Add unique_together on course_uuid and order_number to avoid
duplicate records

PROD-1064

Adds a course_ids api that can filter by user role, since the courses
api could not perform well enough for this, and returned much more
data than we need.

Additionally, adds a LazyPageNumberPagination to provide more accurate
counts in the pagination response when using LazySequence with the
queryset.

BOM-897

Upgrade edx-when to 0.6.0 to support converting relative to absolute …

Add new role for course data researcher

Add additional check for grade display on course banner.

Generate Grade Report for Verified Learners by Default

Adds management command for bulk updating email addresses

This PR adds a management command that will update the email address
of the given accounts provided through a CSV file.

This is necessary internally at edX to update a number of internal accounts
which are using sibling email addresses and would be locked out after we
enforce SSO.

Upgrade django-release-util version

Remove reads from old column

* Add ability for team-members to look up each other's anonymous user IDs for team assignments

Remove the role parameter from the courses api.

Currently, we are working on removing the rest_framework_auth library from edx-platform. For this push, we need to remove the oauth2Authentication class. This PR creates a new class oauth2AuthenticationDeprecated that adds additional new relic metrics. The metrics would allow us to see how often this class is used and its success rate. The hope is that this information will help us with transitioning to a different authentication class.

Awais786/bom 1121 mixin

Mergeback PR from private to public.

Old style mixin compatibility with django2.2

Fix schedules app

PROD-1142

Replace deprecated password_reset_confirm with class based view - BOM-1139

BOM-1228

The api is already not very performant and trying to limit it to only
show courses where you are staff causes the code to iterate over almost
all the courses and times out before it returns any results to the user.

The plan is to build a different api for the thing we need that will
just provide the course IDs for courses where you are staff and sholud
be much faster.

Updates tests for code changes in commit "Remove reads from old column".

document.referrer may include a trailing slash or path which is now handled by the new condition

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