Add make commands for acceptance and a11y testing

Update bok-choy to v0.4.7

Minor documentation and user-string fixes.

Replace "student" with "learner".

Add ability to run individual Jasmine tests

Note: this change also upgrades Jasmine to the latest version.

Run JSHint as part of the build

I relaxed some of the restrictions that were too
onerous to fix, but then fixed all the other issues
that were reported.

This documentation now lives primarily in
another repo.

Add 'fix ajax contenttype' updated changes to minified js files

Use improved Jasmine results plugin

Fix jQuery Ajax contentType issue.

Fix jQuery Ajax contentType issue. When sending an ajax request, jquery default contenttype is application/x-www-form-urlencoded; charset=UTF-8. So here sending ?? in the ajax request, it gets encoded in strange manner. So add content-Type to application/json; charset=UTF-8 when sending a json ajax request.

Make improvements to ORA's development environment

 - add a .jshintrc file
 - add a test-js target
 - make test scripts not use coverage by default

(TNL-3436) Removing unnecessary padding from textarea elements

update a11y tests to use axe-core ruleset

Fixing up ORA2 a11y tests.

Do not load fonts from googleapis.com since they are already included in edx-platform.

Upgrade djangorestframework to 3.2.3

Upgrade django-debug-panel and django-debug-toolbar.

update django-nose

Upgrade django-model-utils to 2.3.1