BOM-917

BOM-916

Remove backtick typo in advanced_entry.underscore

Feanil/fix perf pins

We also pin back edx-lint to fix a regression we introduced when we
started having to roll back all the requirements changes.

DISCO-188 publisher link

Don't try to show anonymous users the first-purchase discount

Fix encoding issue.

Add publisher link to settings dropdown if the features setting
is set.

Fixed double decoding issue.
Fixed the mock.assertMethod. Dict keys were coming different order.

Upgrade python 3 decode error

Remove YouTube logo from footer.

BOM-821_BOM-822 fixed webob issue

BOM-905 test_graders.py tests fixed

BOM test_download_srt_exist test fix

Current YouTube logo is not compliant with YouTube's branding
guidelines.

PROD-816

Do not display enterprise learner portal banner if no enterprise learner portals exist for user. (#22005)

Bring this file into the 21st century

Merge release back to master

EDUCATOR-4700 - pull grade overrides by grade_id

BOM-913

Fix video module tests related to transcript conversion.

pep8

udate filter on simple history

convert to list

diable no member error

Feanil/merge more of master

BOM-912

reduce functions moves into functools in python3. Fixed the import.
Fixing bytes issue.

BOM-915

This fixes errors like:

    Oct 10 12:46:07 ip-10-2-10-15 [service_variant=lms][django.request][env:prod-edx-edxapp] ERROR [ip-10-2-10-15  31278] [user None] [exception.py:135] - Internal Server Error: /courses/course-v1:HarvardX+1962USRx+3T2019/discussions/settings
    Traceback (most recent call last):
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/exception.py", line 41, in inner
        response = get_response(request)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 249, in _legacy_get_response
        response = self._get_response(request)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 187, in _get_response
        response = self.process_exception_by_middleware(e, request)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 185, in _get_response
        response = wrapped_callback(request, *callback_args, **callback_kwargs)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 185, in inner
        return func(*args, **kwargs)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/newrelic/hooks/framework_django.py", line 539, in wrapper
        return wrapped(*args, **kwargs)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/views/decorators/http.py", line 40, in inner
        return func(request, *args, **kwargs)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 149, in _wrapped_view
        response = view_func(request, *args, **kwargs)
    File "/edx/app/edxapp/edx-platform/common/djangoapps/util/json_request.py", line 55, in parse_json_into_request
        return view_function(request, *args, **kwargs)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line 23, in _wrapped_view
        return view_func(request, *args, **kwargs)
    File "/edx/app/edxapp/edx-platform/lms/djangoapps/discussion/views.py", line 936, in course_discussions_settings_handler
        course, discussion_settings
    File "/edx/app/edxapp/edx-platform/lms/djangoapps/discussion/views.py", line 957, in get_divided_discussions
        all_discussions = utils.get_discussion_categories_ids(course, None, include_all=True)
    File "/edx/app/edxapp/edx-platform/lms/djangoapps/discussion/django_comment_client/utils.py", line 485, in get_discussion_categories_ids
        xblock.discussion_id for xblock in get_accessible_discussion_xblocks(course, user, include_all=include_all)
    File "/edx/app/edxapp/edx-platform/lms/djangoapps/discussion/django_comment_client/utils.py", line 146, in get_accessible_discussion_xblocks
        return get_accessible_discussion_xblocks_by_course_id(course.id, user, include_all=include_all)
    File "/edx/app/edxapp/edx-platform/openedx/core/lib/cache_utils.py", line 73, in decorator
        result = wrapped(*args, **kwargs)
    File "/edx/app/edxapp/edx-platform/lms/djangoapps/discussion/django_comment_client/utils.py", line 159, in get_accessible_discussion_xblocks_by_course_id
        if has_required_keys(xblock) and (include_all or has_access(user, 'load', xblock, course_id))
    File "/edx/app/edxapp/edx-platform/lms/djangoapps/courseware/access.py", line 158, in has_access
        return _has_access_descriptor(user, action, obj, course_key)
    File "/edx/app/edxapp/edx-platform/lms/djangoapps/courseware/access.py", line 572, in _has_access_descriptor
        return _dispatch(checkers, action, user, descriptor)
    File "/edx/app/edxapp/edx-platform/lms/djangoapps/courseware/access.py", line 669, in _dispatch
        result = table[action]()
    File "/edx/app/edxapp/edx-platform/lms/djangoapps/courseware/access.py", line 543, in can_load
        group_access_response = _has_group_access(descriptor, user, course_key)
    File "/edx/app/edxapp/edx-platform/lms/djangoapps/courseware/access.py", line 513, in _has_group_access
        user_fragment=partition.access_denied_fragment(descriptor, user, user_group, allowed_groups),
    File "/edx/app/edxapp/edx-platform/openedx/features/content_type_gating/partitions.py", line 98, in access_denied_fragment
        upgrade_price, _ = format_strikeout_price(user, course)
    File "/edx/app/edxapp/edx-platform/openedx/features/discounts/utils.py", line 22, in format_strikeout_price
        if can_receive_discount(user, course):
    File "/edx/app/edxapp/edx-platform/openedx/features/discounts/applicability.py", line 74, in can_receive_discount
        if CourseEnrollment.objects.filter(user=user).exclude(mode__in=CourseMode.UPSELL_TO_VERIFIED_MODES).exists():
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/db/models/manager.py", line 85, in manager_method
        return getattr(self.get_queryset(), name)(*args, **kwargs)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/db/models/query.py", line 787, in filter
        return self._filter_or_exclude(False, *args, **kwargs)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/db/models/query.py", line 805, in _filter_or_exclude
        clone.query.add_q(Q(*args, **kwargs))
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/db/models/sql/query.py", line 1250, in add_q
        clause, _ = self._add_q(q_object, self.used_aliases)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/db/models/sql/query.py", line 1276, in _add_q
        allow_joins=allow_joins, split_subq=split_subq,
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/db/models/sql/query.py", line 1206, in build_filter
        condition = lookup_class(lhs, value)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/db/models/lookups.py", line 24, in __init__
        self.rhs = self.get_prep_lookup()
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/db/models/fields/related_lookups.py", line 112, in get_prep_lookup
        self.rhs = target_field.get_prep_value(self.rhs)
    File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/db/models/fields/__init__.py", line 966, in get_prep_value
        return int(value)
    TypeError: int() argument must be a string or a number, not 'AnonymousUser'

This is tracked in https://openedx.atlassian.net/browse/REV-988
[REV-988]

Sorry for the merge commits but release was in a really bad state and so
we need to get changes out piecemeal on the release-candidate.

Slowly mergig master into RC.

BOM-910