LEARNER-5993 bulk change enrollment using csv file

ENT-876: edx-enterprise version upgrade to 0.72.6

Don't store invalid file types from sample course in repo

ARCH-220: Migrate to edx-django-utils monitoring.

ARCH-220

Use a unique name for test mongo dbs

Cale/fix educator 3262 again

TE-2689 Remove useless pylint suppressions part 3

Delete another flaky LEARNER-71 test

Fix some eslint warnings about global _

Update verification status emails

Delete flaky test due for removal anyway

Previously Verfication status emails are sent using sail-thru.Now,
Separate templates are added in the platform that will be used to
sent status emails to the learners.

LEARNER-5931

Fixes for courseware anonymous access.

Fix reporting drop down menu on data-download instructor dashboard.

Certificate messages must be dependent on active web configurations

Progress page is showing certificate messages for those courses in
which certificates are not offered.To avoid it,a check is added on
the existence of active course configuration so that it should be
displayed only for courses offering certificates.

LEARNER-3325

Fix sudden breakage of expectedFail

TE-2702 Update Read the Docs links to HTTPS

TE-2689 Remove useless pylint suppressions part 2

Fixing textline CSS issue

Fix failures due to creating users during initial migrations

Upgrade user-util to 0.1.5

TE-2526 Remove dependency on needle and nose