Specify path to aws command.

* add splunk searches via ansible

* Fix jinja syntax, add docs

* Add splunk field extractions via ansible

* Use a boolean rather than a number

The fact that splunk uses "1" and "0" to represent booleans is
orthogonal to booleans in yaml. Switching to true booleans for a better
user experience.

* Additional cleanup around splunk searches interface

* Switch splunk role to using common_vars and overrides

This way, we can support environments where we don't, for example, use
datadog.

* Make splunk playbook actually call splunk role

* Fix all the bugs

* Add splunk email config

* Make realtime alerts work

* Add more documentation around splunk alerts

* Address comments

Add affiliate cookie name to ecommerce config

Feanil/remove rabbit ppa

We install the rabbit deb from files.edx.org

I was able to install rabbit and all of its apps at the same
version we have in production without adding the rabbit PPA.

When we update edxapp workers need to be updated too.

Revert "WL-451: Clean up ansible services/roles for theming"

Upgrade GoCD to 16.4.0

Seeing fail: in ansible output is confusing to folks

Updated ECOMMERCE_JWT_SECRET_KEYS

mattdrayer/ecommerce-worker-multisite: Add site-specific overrides

set an overridable SES region name, defaulting to us-east-1

WL-451: Clean up ansible services/roles for theming

Properly referencing variable.

ECOM-4414

use first pip in path

Add go user to docker group for non-root access.

This code has moved to an es module in the terraform repo

Also update the README to be more accurate.

Update Docker go-agent dependencies.

Fix MOTD link

Add new ECOMMERCE_COURSE_CATALOG_API_URL settings.

make common roles ec2 linux friendly