Link fixes.

The markdown standard suggests that you continue to use &amp; in
inlined html, and links need to start with http:// to exit the local
website otherwise it’s base-url/bit.ly/chimera-calendar.
Hugo changes

My compiled version of the changes appears to have added a couple <p>
elements elsewhere, not sure why that is. Probably not that big a deal.
Also other various fixes.
Merge pull request #2 from blacRose/master

Small tweaks, workflow check.