Merge release back to master

Avoid fetching full group list repeatedly

Remove unused VIRTUAL_UNIVERSITIES setting

Remove these tests because they are flaky.

Use defaultValue instead of value attribute.

LEARNER-5126

rate limit

Unlink CreditRequirementStatus PII for retired users

This was removed back in July 2013 [1].

[1] e8ee2978

Get MKTG_URL_LINK_MAP from ENV_TOKENS in CMS

They all rely on modifying the handout which can sometimes fail.

Add some waffle-guarded connection points to the Credentials service
to start filling out the user flow for Student Records.

Specifically, add a button to the Program Progress Details page if
a certificate exists, and add a link in the Learner Profile page.

Both only appear if the 'student_records' waffle switch is active.

LEARNER-4701

Properly clean up a wrapped function

ENT-908: Hide SSO related messages on login page if user is not in the SSO pipeline.

It looks like this was part of the original rollout of the microsites
feature back in December 2013 [1], but was quickly removed in February
2014 [2]. These references have been orphaned ever since.
I can find no other references to it in the platform, save these.

[1] a3211a74
[2] aa43689a

Set SWIFT_CONTENT_LENGTH_FROM_FD=False

Remove physical constants and suffixes from calc.py

Merge release back to master

Fix refundable status for audit orders

TE-2528 Upgrade testing dependencies

TE-2551 Fix commons.js optimization reliability

support cross domain ajax requests to the experiments APIs

Merge release back to master

Cache list of course partitions

ENT-969: Partial revert of "ENT-945 Update IDVerification interfaces to account for SSOVerification"

Upgrade cookie policy banner version to 1.1.6

Catch HttpError thrown by Python Social Auth.

This patch enables catching HttpError exception raised
by PSA because of any issue caused at client/server.
Further it redirects user to login page with a
message about the error.

LEARNER-4344

Remove this flaky test.