Update capistrano-autoscaling gem. Can now block deployments if AWS keys are missing.
Require AWS credentials for deploying to staging and production.

We can remove staging from this list later.
update schema.
Display of completion ribbons, even when runs have answers from wrong activities.

Also add a method to fix runs with answers to the wrong activity.  [#59365552]

https://www.pivotaltracker.com/story/show/59365552