Checks for the presence of a cookie with specific values when activated,
and redirect the user to a configurable URL when it is not found, or not
with an accepted value.

To be used to display a splash screen to users upon the first visit.
It's the responsability of the splash page at the redirected URL to set
the proper cookie value before sending users back to the LMS.

Fixed TOC and copyright

Move tests related to views files into views/tests.

Finish wiki i18n

unit tests to handle duplicate user registration attempts

Don't internationalize strings we use for enrollment.

Keyboard events and ARIA markup added to speed control

MixedModulestore wraps most getters, update_item, delete_item

Remove tabs.

LMS-2218

Keyboard events and ARIA markup added to speed control. Replaced anonymous event handlers by named functions. Menu stays open on mouseleave when a speed entry has focus. In that case, the menu can be closed by clicking anywhere outside of it. [BLD-402, BLD-363]

We use pybabel to extract strings from third-party apps, put them on
Transifex, then merge them into django.po.

[LMS-1681]

Refactor student views

Add a second fake translation language

Add Greek language translations

Remove unused imports.

Accessibility improvements to the sequence navigation

Fix pylint/pep8 warnings, use JsonResponse instead of HttpResponse where useful,
put in TODOs to change HTTP status codes to be more accurate.

For a11y, modal dialogs and script templates should be hidden...

Fix pylint violations

Add pycharm helpers to gitignore

Updated title and template for image modal html component

i18n word cloud LMS-2197

LMS-2215