ECOM-4678

ECOM-4609

OPS-1593 As an operator, I want sudo_user converted to become user in roles and plays, for compatibility with Ansible 2.x

The JWT configuration for IDAs that depend on edxapp's JWT configuration have been updated to actually reference the edxapp variables.

ECOM-4414

In addition to validating our supervisor and nginx configurations, this ensures we can serve static files locally as we would in production.

ECOM-3180

The headers were pointing to the old github wiki. Since we've officially
moved to Confluence, these links should be updated.

This has caused confusion in the past. Updated the value to actually be the OAuth2 endpoint, rather than the LMS host.

ECOM-3895

ECOM-3905

ECOM-3572

Refactor credentials_url_root to reference CREDENTIALS_DOMAIN (since the
former just adds a protocol and port) and change it to a lowercase var
to convey that it shouldn't be overridden.

ECOM-3778

N.B. This may break docker-based devstacks. Fix TBD.

ECOM-3605

ECOM-3694

ECOM-3455

Re-run the django-ida template role to pull in some additional changes made to it into the credentials role

ECOM-3181