Put the relevant files into a directory called publish, so that a CI job
can publish the entire contents. Add a HEADER.html so that mod_autoindex
will have some explanatory text in it.
Do freshness checks by grabbing currently published copies, if they
exist. This way we don't publishe entirely new data files just if
someone updates docs or fixes pep8 in the scripts or whatnot.
Set basepython to python3 in tox.ini. There is no need to make
these scripts support any more than one version of python.