Upgrade scipy, lxml, boto
Clean up translated strings in registration page, dashboard, and track selection flow
Restore copy originally present on the registration page
Add middleware optionally to catch unenrolled students who fail has_access (TNL-286)
redirect users from about page to info page when there is a marketing site (TNL-286)
display banner on course info page if user is not enrolled (TNL-286)

write failing tests for info page banner
Update ora2 and submissions
Disable flaky javascript tests TL-439
Merge pull request #5282 from edx/benp/js-test-timeouts

Disable flaky javascript tests TE-485
Merge pull request #4697 from edx/db/update-multiple-deps

Upgrade scipy, lxml, boto, edx-ora2
Correct name of video option
Merge pull request #5287 from edx/sylvia/docs/relnotes918revision

Correct name of video option
Importable python_lib.zip assets

Lots of plumbing to allow an asset named python_lib.zip to be imported
by jailed Python code.

This function can find the "python_lib.zip" asset, and is passed down
through ModuleSystem and LoncapaSystem so that capa problems have access
to the zipfile.
Merge pull request #5129 from edx/ned/python-zip-assets

Python zip file importable from an asset
move to s3fs and handle one time url
only load tabs if user is enrolled in course (TNL-286)

add tests for static tabs
update number of queries in embargo test
Merge pull request #4898 from edx/danielli/recommender_pyfs

RecommenderXBlock with pyfs, better UX, and modification of logging
Hiding Insights link for non-staff users
Merge pull request #5188 from edx/insights-staff-only

Hiding Insights link for non-staff users