Adding edx-django-release-util to LMS and CMS

remove dropdown menu class that has pseudo border that double arrows

Reduce the number of retries.

asadiqbal08/SOL-1868 "Go To Dashboard" button should be visible on receipt page

Upgrade to Uglify 2.7.0 to remediate a security issue

WIP: initial re-add with no extra work beyond merge conflicts

This task will get run twice, 5 minutes apart. Because of that, it can run up to 6 times with max_retries set to 2.

Revert "asadiqbal08/SOL-1868 "Go To Dashboard" button should be visible on receipt page"

asadiqbal08/SOL-1868 "Go To Dashboard" button should be visible on receipt page

Minor improvements to the instructions in github.txt

JSHint directives to ESLint (WIP)

Fix class on dashboard's verify now button

Update translations (autogenerated message)

Update the Pattern Library for improved button styling

Shards as valued attributes

Fix program listing and detail page styling

Fix paver timing

MA-2675: Skip 'endorsed_by=null' in discussion requested_fields=profile_image

Robust Grades API refactor

Use @needs to specify task composition for paver service checks, so that arguments are bundled correctly

This reverts commit acf50c44.