Makes small changes in lms and cms both so that user's go to the
original page they intended to if they weren't already logged in

Changes for Help Modal to work on Stanford Site

IGNORABLE_404_ENDS is wrong and unused

Ahodges/documentation/doc258

CustomResponse i18n.

CodeResponse i18n.

Fixed cheatsheet for open ended editor.

STUD-1583

Convert lettuce video tests specifically using youtube stub

This setting is only used if SEND_BROKEN_LINK_EMAILS is true, which it
is not, and it is deprecated, and this value for it is wrong, since it
is used as an iterable.

Remove press-page machinery and assets

- moved zendesk endpoint to new condition
- some help modal styling

Update LTI settings information

Ahodges/documentation/an992

Fix for Studio 404 and 500 page layouts
STUD-864

Drag and drop on container page

Corrected the change log

added a new topic on interpreting score histograms

Reset the jenkins ruby environment before tests run

SymbolicResponse i18n.

When sending bulk email check if course is authorized.

StringResponse i18n.

Ensure system language is released in dark lang middleware

LMS-2644

Adam/some cleaning

Certificate report improvements

LMS: Show Enrollment Type on Dashboard