ECOM-248 Course Info API. Basic functionality implemented.

ECOM-248 adding factory for about descriptor and test cases for course info api

ECOM-248 adding test cases for couse info api.

ECOM-248 re-factoring code. updating test cases.

Tests for course_about data module

ECOM-248 Adding test cases for the exceptions.

ECOM-248 re-factoring code. fixing quality issues.

ECOM-248 fixing test cases and moved parse video method into utils.

added github username in authors

ECOM-248 removed merging issue of test_data

ECOM-248 removed unused files

Test pagination reposition test is failing on release
and master. It was flaky test and this problem was
caused by the javascript animation. Issue was fixed by
adding the promise that we check the value of window
top after the animation is completed.

TNL-952

Remove Jobs, News
Change "Vision" to "About"

* updating vendor files
* updating class syntax (to new FA-based classes) for all UI elements
* correcting broken tests

JIRA: PLAT-348

Adding decline button in fake payment page.
In of case ERROR, CANCEL, and DECLINE removing auth_amount from test cybersource2 and payment fake.

TNL-997

div selector is not closed properly in the redemption page html

SASS compilation variable conventions update, focusing on basic colors, baseline variable usage for padding and margins, ui-depth extends, along with other small fixes. The intent with this is to not have any user-facing impact, and instead move us closer toward having files that use our newer sass conventions.

Also fix failing JS test which was looking for a removed button.

ECOM-869 Update copy and hide supplementary content wrapper and requirement blocks if user is inactive

update '_delete_item' method for draft only modules and update delete_orphans management command

fix test_courseware which fails due to invalid future date