block_structure python-3 upgrade

course_overviews python-3 upgrade

api_admin python-3 upgrade

third_party_auth python-3 upgrade

Grades python-3 upgrade: test_recalculate_learner_grades.py

BOM-529

BOM-748

BOM-747

BOM-746

BOM-744

BOM-743

style-student-notes is only added in courseware.html but it is missing
for custom tab pages.

PROD-687

BOM-641

Python3 fix.

BOM-608

Explicitly set the test string to unicode.

BOM-843 Fix reraise call.

This test has been flaky in the past; I turned up TNLARCHIVE-530 and
TNLARCHIVE-2147 in JIRA while verifying no one else had actually
gotten it.

EDUCATOR-4684 | The instructor course grade report should take subsection grade overrides into account.

fix toggle implementation annotations and rename waffle flags

More generally, makes it so we don't ever pull in the user to whom
we're attributing overrides from the request, but always use the one
passed in via method parameters

Also pass through comments, if they're provided via this method

JIRA:EDUCATOR-4641

show graded content block without the upsell when the upgrade deadline is expired

Removed one-off management commands.