Use protocol-relative URL for CSS CDN on index page
More semantically tenable header element order

Involves a (resonable) change to the way the CSS is designed,
and brings with it a slight tweak to the margins that lines up
with the background.
Cut most content from resume roadmap

Most of the stuff on that list was done a while ago
Resume 4.2.0: Address moved from template to data

This wasn't a big deal, until I had Markdown resume generation. Now it is.
Resume CSS refactor
Use third-level headings for jobs
Use main element for main content container in resume
Use page break to separate footer in resume instead of h2
Add hcard profile link in HTML resume head
Add display: block for main element
Use divs instead of breaks in address
Add links to other formats in HTML