Fix flakey TextbooksTest

Release

TNL-4806

Got rid of aria-disabled states 

Use the latest version of the transifex client

mjfrey/micro-settings-merge: Override base dictionary keys with microsite configuration keys

Conversion of cms/component.feature into bokchoy tests

exception_handling_for_unverified_cert_status

* mattdrayer: Add helpers.get_value test
* mattdrayer: Change to simpler implementation, per @douglashall
* mattdrayer: Address quality violations and test failures

Rc/2016 06 21

Merge pull request #12768 from edx/alasdair/ECOM-4224-certificate-messaging-for-program-course-cards

Front End for certificates

SOL-1844 Upgrade edx-proctoring to 0.12.20

ECOM-4610

TNL-4805

Part of ECOM-4224.

Change topic name truncation.

Use the UI Toolkit's spec helpers

Link program listing cards to detail pages

Mark the invalidation entry as inactive If support user re-generates the cert.

allow SHOW_LANGUAGE_SELECTOR to be overridden by MICROSITE_CONFIGURATION

ECOM-4199

Add a third fixed case where images could overflow (refs #12735)

When program detail pages are enabled, cards on the listing page will link to their respective detail pages. Includes extensive cleanup of program listing tests. ECOM-4227.

Don't auto-update during Karma test runs

Added 'unusable_password' argument to 'manage_user' management command

Convert XBlock runtime code from CoffeeScript

Bumping version of a11y custom ruleset

WL-515 Update Activate Account message page

Jenkins concurrent unit tests