If the current course doesn't have a verified course mode

Don't try to purchase the same order twice

Add unicode handling to the signing and verifying logic

kick the user out of the verify registration flow.

LMS: Hide Browser Recommendation Message from Assistive Tech Users

LMS: semantically hides the ie-centric browser warning/FF/Chrome suggestion message to avoid confusing/misleading assistive tech-based users.

Features/fmo/lms i18n strings

fixing quotations as per request

use .get when checking combined notifications to handle missing keys

Disable temporarily failed js unit tests.

Updated Vagrant file with requirements for tests

Changed prereq installation in rake test and rake fasttest

Zoldak/quiet fast acceptance

Adding support for ICE track changes to calibration UI improvements

Add ability to run against generic selenium grid

Rename xblock_field_data to xmodule_field_data

Studio: Switch class-based Sass @extend rules to use Sass placeholder syntax

Simplify static page acceptance tests

Teach rake to run all python tests as a group

make tooltips screen-readable

Adam/a11y

Tabbing through captions