CDN Setup help

[searls]

Assigning to @aschweigert since this will mostly require his help

• [ ] read or skim this article to understand what I'm up to
• [ ] add me to INN's AWS account so I can help configure a cloudfront distribution
• [ ] have the impaq.me SSL certificate at the ready and make sure we can apply it to subdomains (e.g. "cdn.impaq.me")
• [ ] verify the ssl cert is subdomain-friendly
• [ ] Double check what amazon means by (the -path parameter must start with /cloudfront/)

We may have some issues with subdomain config of the SSL cert as it is:

(See #94)