Currently, Python implicitly concatenates two string entries located next to
each other because there is no comma separating them.  The code concatenates
"*.pyc" and "sass/*.scss", creating a single entry called "*.pycsass/*.scss".

Improve screen reader user experience on logistration page

Ensure noseid dir exists when running tests

Display message on course outline in Studio when course contains ORA 1

Display warning message on course outline in Studio when course contains deprecated features/components

TNL-2303

Fixes DOC-1957

Allow group_id to be set in discussion API

Awais786/ecom 1597 min grade update with signals

This also fixes two bugs:
* A thread created by a non-privileged user in a cohorted course would
  not have group_id set
* Any user could set the endorsed field on creation of a comment

Delete unused student_profile code (WIP profile).

Update translations (autogenerated message)

Set Courseware Search to False in default devstack, because it doesn't work.

Make header & footer responsive

Fix SEARCH_ENGINE set logic in settings files

Update i18n-tools to latest version LOC-67

Feature: Shibboleth/SAML SSO

[LTI Provider] Added an authentication backend to log in LTI users

Clean up capa polling to have exponential backoff

Making background pictures printable

Fix dark lang and django.middleware.locale behaviors 

Adds a temporary user_preference key, DARK_LANGUAGE_KEY, to hold the user's dark lang preference.
This preference key is deleted when ?clear-lang is placed in query params.