The banner took up too much room with the browser
zoomed in. This adds a button to hide/show much of the copy, reducing the
portion of the page on zoomed-in desktop browsers stickily obscuring
courseware. The toggle's initial state is set according to browser
width.

update semantic structure of some proctoring banner elements

JIRA:EDUCATOR-3899

JIRA:EDUCATOR-3900

without blocking multiple concurrent sessions

also updates trace amounts of copy duplicated in tests between
edx-proctoring and edx-platform

JIRA:EDUCATOR-3931

Running make upgrade to bump edx-entprise from 1.2.3 to 1.2.5. Also, updating constraints.txt to prevent a backwards incompatible update from oauthlib

also manually increment edx-proctoring version, since that's all we
wanted to achieve with this

ENT-1416

Bumped version of django-simple-history

Bumping django-simple-history in other requirements files

Removing the django-simple-history constraint as it is no longer an issue

Removing the comment from requirements/constraints about django-simple-history