Currently, entitlement view is not displaying any message if there
are no records against a query.To improve user experience, changes
have been made so that a proper message would be displayed.

LEARNER-7155

Added future absolute_import
changed unicode() with six.text_type()

EDUCATOR-4353 code review comments

Added the import statements

INCR-471

This would patch all templates (django/mako)
for a possible XSS code injection via
translation files by html escaping them..

LEARNER-4632

These were originally fixed individually, but had to be reverted, and
are now combined in one commit.  The originals were:

7b9040f6 This enum was backwards
8774ff1f Use ref_name to disambiguate serializers that drf-yasg would otherwise assume are the same.
8a443971 Is this field missing because it is None?
4a1154a7 Give a safer buffer for clearing the rate limiting
64c47856 DRF 3.7.4 changed how you delegate to another view, so don't
7359ca4f Is this right? It fixes two tests
fdd66e53 Adjust the expected error message for DRF 3.7.7
9257f68f The default TIME_ZONE should be UTC

* Install drf-yasg

* Add drf-yasg settings and urls

* Pin drf to make drf-yasg work

* Adjust config-models version to be compatible

* Remove django-rest-swagger (the old way)

Added absolute_import
Changed the use of unicode with six.text_type

course_about page on course overview field

After executing python-modernize and isort, few changes occurred in
import sequence as well as unicode func is replaced by six.text_type
func.

INCR-478

Allow a limited subset of fields in the Course Block View for blocks that have been denied authorization

gradebook show student email only for master's track.

show emails for masters track - unit tests pass

fixed more unit tests and linting

Some deprecated functionality has been removed:

- Reading data field and transforms being applied in the init() method.
- The source field.
- The source_visible attribute.

Added absolute import in both files

Add CSRF_TRUSTED_ORIGINS settings to successfully make POST requests from edx-learner-portal to edx-platform - ENT-2025

Remember me button does the same thing regardless of if it is checked
or not. Remember me button being unchecked makes a user think they
will be logged out at the end of a browsing session when this is in
fact not the case

LEARNER-6220