Upgrade edx-platform's paging collection with new edx-ui-toolkit's paging collection

LMS Online Contextual Help

Fix false positives on javascript_contact_html.

Merge pull request #12525 from edx/afzaledx/sol-1802_zendesk_tickets_for_suspicious_proctored_attempts

(WIP) SOL-1802 Create Zendesk ticket when "Suspicious" proctored exam reviews are received from the proctoring provider

Include raw program data on the detail page

Add transformer to collect grades data

Define CMS management command for research course exports

This moves the functionality of the 'export_course'  management command from lms/djangoapps/courseware
over to the Studio codebase.  This reflects its use going forward to be run with cms settings, to
export the content of the Studio modulestore instead of the LMS modulestore.  The management
command is used by an analytics workflow to output course content for researchers.

TNL-4449

This will allow API servers to limit access based on scopes.

Uses the view's ID argument to retrieve and drop unmodified programs API data on the details page. Future work will supplement with CourseOverviews data. Part of ECOM-4415.

TNL-4356

Allows multiple bulk email targets to be specified at once.

-The previous "All" option has been split into "Staff" and "Learners"
-The backend changes made here lay the groundwork for cohort emailing
-The data migration, 0005, is somewhat large and requires deploy attention
-Tests have been updated
-Numerous safe-commit-linter fixes are included

Adjust program detail page URL routing

Update translations (autogenerated message)

The new URL pattern expects a program ID and allows a program name to be included, if desired. It will match paths like 'programs/123/' and 'programs/123/foo/', but not 'programs/123/foo/bar/'. The given ID is passed to the view, where it will be used to retrieve program data. Part of ECOM-4415.

Extend edX API utility to support retrieval of specific resources

ECOM-4218 Draft 1 for Course Cards on program details page

This will be used to retrieve data for the program detail page. Part of ECOM-4415.

Upgrade radon to repair import issue.

AC-454 adding visual clarity for selected menu options in the video player

ECOM-4216 Program Details Header View

Merge hotfix-2016-05-25

Added administrator bit to JWT access token

Hotfix: Invalidate, don't update, Block structure cache in CMS

Fix import order for HTML, Text.

Add a11y tags on accessibility tests.

Merge Hotfix-2016-05-24 into Release

WL-479 Enable Bulk purchase for anonymous user