Enable New Relic monitoring on newrelic consumer

install pipelines plugins on build jenkins

Remove the version requirement and fix the apt_key var.

remove datadog agents

Update marketing GoAgent

update new relic and infrastructure regularly

New base ami for removal of edxapp pre.txt requirements

Pass New Relic configuration down to the xqueue config

Revert "Fix sandbox pip runs with new requirements files"

Fix sandbox pip runs with new requirements files

XQueue uses this previous config when connecting to NR from management
commands that are run outside of transactions.
It also needs the license key to ensure that the agent is connected.

improve build jenkins dockerfile

* Fix Dockerfile to copy the correct ansible overrides.
* Disable github oauth auth mechanism for this dockerfile only.
* Add the seed job creator script, so that users do not have to create
  one manually.

Change GoCD backup time OPS3004

Switch to an AMI with no rabbitmq installed

Revert "install pipeline plugin (aka. workflow-aggregator) into build jenkins"

iotop is quite helpful for debugging struggling machines

We don't need to add rabbit to sandboxes

ansible_msg.py: Utility for deciphering Ansible task output

We don't need any rabbitmq configuration for XQueue anymore