The user can now enroll in a session, unenroll from a session or change session
from a new course enrollment card on the course dashboard.

Aj/entitlement session backend

Lower pylint threshold to just above what it is on master

EDUCATOR-1577: Removed roll-out flags. 

[LEARNER-3136]

This commit containts the logic and API endpoint for a user to Enroll,
Unenroll, and switch-session on a Course Entitlement.

Don't use the edx-platform revision as the studio assets base url

PLAT-1372 Remove dead templates copying old admin HTML

updated translations

Turn on deprecation warnings in Django 1.11

Fix breadcrumb tooltips in IE

Zendesk proxy client

PLAT-1749 Support Django 1.10+ CSRF tokens

Revert removing CREATE_SCHEDULE_WAFFLE_FLAG "Merge pull request #16728"

This change creates a new lms/cms endpoint which accepts unauthenticated
requests to securely create zendesk tickets. This allows javascript code to
create tickets without exposing ZENDESK_OAUTH_ACCESS_TOKEN

EDUCATOR-1889

This reverts commit 8b652ad3, reversing
changes made to b212af24.

IE11 is not using 'overflow: visible' as the default overflow,
so set that manually. This allows our tooltips on the course nav
buttons to appear on hover or focus.

LEARNER-3125

Merge pull request #16805 from edx/alasdair/LEARNER-3128-sequence-list-role-presentation-a11y-update

LEARNER-3128 add role=presentation to sequence nav list items

mako/react bridge code

PLAT-1427 Adapt to build_attrs change in Django 1.11

Update bokchoy db cache

On Import Course page, clarify content that's imported per course tea…

LEARNER-2983: Adds policy for entitlements

Upgrade edx-enterprise package to 0.55.4.

https://github.com/edx/edx-enterprise/compare/0.55.1...0.55.4

Verify 'Full Name' field does not allow HTML.