Bennett Cyphers

Thanks @mijiturka. When you're happy with it, make a pull request and assign me as the reviewer.

> When on a localhost/127.0.0.1/*.localhost page, don't learn anything new? Yeah, I think this is the right approach -- this would almost always be someone testing out a development version...

Yeah, I think only emails sent by google are wrapped (checked in chrome and firefox). It probably doesn't hurt to unwrap those too, but I think that's a bit of...

Yeah, this is tough. I think we need to update the entropy function (per #2088), and after that it might be worth applying the same kind of heuristic to email...

I think stripping [UTM parameters](https://en.wikipedia.org/wiki/UTM_parameters) in particular would be an easy win. They're widely used, and afaik exclusively used for tracking. @roipoussiere if you're interested in working on a PR...

I want to start working on this, building off au-revoir-utm, but we'll have to watch out for conflicts with HTTPS Everywhere and other url-rewriting extensions (https://github.com/jparise/chrome-utm-stripper/issues/13). This is a problem...