Install `ssh-agent` as part of deploy image
We're duplicating this step for each of the uses of the deploy images, so we need to put this down to the image, so we don't have to repeat this each time.
Closes #141 (closed).
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
We're duplicating this step for each of the uses of the deploy images, so we need to put this down to the image, so we don't have to repeat this each time.
Closes #141 (closed).