Jdmulloy/ops2545/redis cloudwatch alerts

Create ansible role that deploys a custom theme

Upgrade Node to version 8

bump node version to 8.9.1 [FEDX-410]

8.9.2

8.8.1

8.7.0

8.6.0

Update back to latest node.

The previous failures were probably due to ecommerce which should now be resolved.

Restrict migration tasks to single host.

Add celery redis cloudwatch monitoring script

check for and replace expired key

* Adding in a new go-agent to use for marketing pipelines. Contains necessary modules to make requirements in edx-mktg

* Setting up the go-agent with a name and resources so it will autoregister with these.

* Leaving php and drush is goagent so we can fall back. Making docs more clear

* Build go-agent-marketing based on tagged image of go-agent

* Attempting to fix build

* Trying latest

* Adding the acquia github key directly into the goagent (#4264)

* Adding the acquia github key directly into the goagent

* Moving the acquia key to the marketing agent

stop running quality in packer builds

Adds mongo read preferences for use when a replica set is provided

veda encode worker

with sane defaults for Studio and LMS.

Also ensures that EDXAPP_MONGO_REPLICA_SET is included in all
docstore configuration blocks.

Deal with the update failing because apt is already running.

run the edx_themes role first.

EDUCATOR-1664

Add EDX_PLATFORM_REVISION env var for Studio/LMS

Update sandbox ami, fix edx and mongo repo errors

This is useful for debug output in edx-platform. We used to have the app
generate this value by doing a call to dealer.git on startup, but that
was slow.

Update Mongo 3.2 apt gpg key

veda pipeline worker

Coryleeio/install splunk app via ansible

Upgrade flower to 0.9.2 and pin celery version