Build the XQueue docker image more like the other images

Remove edx-mktg requirements from GoAgent(DEVOPS-7087)

This includes copying some docs and making it more straightforward
for docker-compose to control how we spin it up on devstacks.

Add custom thresholds to redis monitoring script OPS-2721

ENT-839 Plumb new settings variables for configuring saml certs

Switch to the nginx port used by xqueue (not the insights ports)

Override gunicorn to run on the nginx port, this is similar to what
other IDAs do, which is to use runserver and bind to the nginx port.
XQueue has multiple services (consumer and gunicorn) so we'll leave
docker-run.sh for now and just change the port specificed in the
supervisor file.

Bring the mysql/rabbit hostnames to the devstack standard names.

Allow ecommerce and discovery to be disabled on sandbox servers

Add ENTERPRISE_REPORTING_SECRET to cms auth settings.

ENT-854 Adding FERNET_KEYS setting.

Add security updates to loadtest play

Add newrelic key to android packer vars

Update base ami to fix continuous integration job

Remove unsupported var that causes error PLAT-1769

The COMPREHENSIVE_THEME_DIR variable is unsupported as of
https://github.com/edx/edx-platform/pull/16289

If this variable is not an empty string edxapp will refuse to run
and print an error message.

Patch sandbox base AMI(OPS-2584)

stop using ansible npm module

increase jenkins worker disk space

add key url param to all packer scripts

Move XBlock requirements into configuration