Propose and Implement a debug versioning system.

[DavidWnek]

Something awesome I like about Sifma's build tools, it is automatically injects the git hash into the index.html.

Many, many times has a quick look at that fixed issues related to out of date builds on qa/production environments, or revealed caching issues.

All around just a good practice too.

[KatieUde]

I found this guy that looks promising: https://www.npmjs.com/package/git-revision-webpack-plugin

"Simple webpack plugin that generates VERSION and COMMITHASH files during build based on a local git repository" -- Seems like we could configure this to inject into the index.html for ease of troubleshooting.