Add hashes to dist filenames
Add hashes to dist filenames

Should alleviate the issue of GitHub pages caching app.{js,css} and
the static assets as the asset URI will now be different each
deployment.

MikeBull94/aurelia-hacker-news,michaelbull/aurelia-hacker-news,michaelbull/aurelia-hacker-news,michaelbull/aurelia-hacker-news,MikeBull94/aurelia-hacker-news