Redact some local paths.
Let the user override ${UCAMPAS}.
Quieten output of FindDot.cmake.

The location of the dot binary was not being properly cached.
Trivial: whitespace fixes.
FIXUP quiet dot
Allow specifying bindir for HTML docs.
Build HTML in the html directory!
Generate uconfig's list of HTML files.
This is an external link, not a ucampas directory.
Refactor ucampas finding into CMake module.
If we have a local ucampas, use it.

A local copy of ucampas can be quite useful for previewing what documentation will look (approximately) like on the real webpage.
Explicitly copy images.

If we enumerate each image for CMake, it will do the right thing with dependencies.
Describe the TESLA workflow.