Pull request "Compared test results" small feature requests

[mithro]

Here are some "nice to have" feature requests for the cool new "Compared test results" output that has been recently added.

• [ ] Colors! It would be nice to highlight;
  • [ ] Improvements in green
  • [ ] Regressions in red.
  • [ ] Non-changes de-emphasized in light grey.
• [ ] Link to the published version of the before and after results so people can understand exactly what changed.
• [ ] Add git revision information for before / after.
• [ ] Add a total at the top.

[mithro]

FYI - @joannabrozek