Bump autoscaling gem.  Skip autoscaling hooks if AWS key isn't defined.

Use set(:autoscaling_require_keys, true) to force do preflight checks and prevent deploying if they aren't present.
update capistrano autoscaling gem.
Fix failing spec tests...

TODO:  Re add delayed_job_web

Why are delayed_job_web routes breaking the route constraints of interactive_page routes?
Revert the changes Iframe does not load[#82203846]

 - Author will decide weather to specify http or https.
Change wording on snapshot failure message:  [#80417552]

https://www.pivotaltracker.com/story/show/80417552