* mattdrayer: Add bulk checkout link to course views
* asadiqbal08: MAYN-225 replace the "Verify Now" button by the "Go to Dashboard" button in case of themed sites.
* mattdrayer: Add bulk_sku check in courseware.views

* mattdrayer: Add bulk checkout link to course views
* asadiqbal08: MAYN-225 replace the "Verify Now" button by the "Go to Dashboard" button in case of themed sites.
* mattdrayer: Add bulk_sku check in courseware.views

More accurately, this creates a 4th shard because the
last shard is always the default.

More accurately, this creates a 4th shard because the
last shard is always the default.

ECOM-3268

ECOM-2972

Please note that this is a squshed commit and the work of:
Symbolist, macdiesel, nedbat, doctoryes, muzaffaryousaf and muhammad-ammar

Add configuration model for enrollment refunds.

Use order info from otto in refund window calculation

Delete dupe tests. Extend tests to include window tests

Move ecom client from lib to djangoapps in openedx

The receipt page now retrieves data for orders instead of baskets. Going forward baskets will be deleted after an order has been placed, so there should be no permanent references to baskets. Orders will continue to be persisted permanently.

ECOM-2653

Also remove useless docstrings where they were added to keep pylint
quiet.

* Upgrade edx-submissions
* Upgrade edx-ora2
* Upgrade edx-val
* Upgrade edx-proctoring
* Update all edx-platform code that depends on DRF, including:
  - auth_exchange
  - cors_csrf
  - embargo
  - enrollment
  - util
  - commerce
  - course_structure
  - discussion_api
  - mobile_api
  - notifier_api
  - teams
  - credit
  - profile_images
  - user_api
  - lib/api (OAuth2 and pagination)

* Upgrade edx-submissions
* Upgrade edx-ora2
* Upgrade edx-val
* Upgrade edx-proctoring
* Update all edx-platform code that depends on DRF, including:
  - auth_exchange
  - cors_csrf
  - embargo
  - enrollment
  - util
  - commerce
  - course_structure
  - discussion_api
  - mobile_api
  - notifier_api
  - teams
  - credit
  - profile_images
  - user_api
  - lib/api (OAuth2 and pagination)

The course now supports reading and writing the verification deadline attribute.

XCOM-536

The course now includes a read-only name attribute.

XCOM-536

The course now supports reading and writing the verification deadline attribute.

XCOM-536

The course now includes a read-only name attribute.

XCOM-536

XCOM-497

The Commerce API now sets the correct display name for known course modes, but continues to default to the mode slug for unknown course modes.

XCOM-497

The Commerce API now sets the correct display name for known course modes, but continues to default to the mode slug for unknown course modes.

These endpoints are currently for internal use only, but should be versioned nonetheless; Drupal will begin using the basket creation endpoint soon. No functionality has been changed. XCOM-494.

These endpoints are currently for internal use only, but should be versioned nonetheless; Drupal will begin using the basket creation endpoint soon. No functionality has been changed. XCOM-494.

XCOM-477

XCOM-312

XCOM-312

- CourseMode.save() always lowercases the currency value
- CourseMode currency comparisons have been updated to be case-insensitive

XCOM-314