Fallout from #1792.

This reverts commit 82d7da82.

Fallout from #1792.

Removing duplicated initialization code.

Adding accessibility guidelines to "Building a Course with edX Studio" documentation 

Adds redirects for login pages and the registration page

Accessibility edits

Accessibilty updates

Fix author name.

they go through the SSL login process in branding when that feature
is enabled.

fix: make edit link use static_asset_path in xmodule_modifiers.py

Adding changes for accessibility

Events for entering verified flow & buying

Updating comments and docs for MITx -> edX transition

Update handler_url support to match the latest in the xblock repo, for both js and python runtimes

Disable failing JS tests

[LMS-1613]

Add debug logging of exceptions that happen during rending of studio_view or student_view in Studio

ORA-237: Number in "Available for Grading" column drops rapidly

Added the following under "Grade an Open Response Assessment Problem":

After you've graded enough responses for AI assessments to start, the
number of responses in the Available to grade column decreases rapidly
as the algorithm grades responses and returns them to your students in
just a few seconds. No student data is lost.

Also corrected a few minor formatting problems.

Added user_id_map

Remove forum user profile moderator toggle button

Activate Markdown editor buttons on keypress

Created "MathJax in Studio" page

Add underscore to staff grading template

Instructor dashboard acceptance tests

Refactor instructor dash acceptance tests.
Add additional acceptance tests for buttons on 'Data Download' tab.

LMS-58

Remove extraneous refund text

removed boilerplace from beginning of file