Automatically update library list.
Manually fixup documentation list.
Remove some broken code.

This was meant to fill in missing boost version entries, but it didn't
work, and it's done properly in 'reduce_versions'.
Fix is_numbered_release.
Set version on release.

A bit trickier than expected!
Fix setting the documentation path.

It was wrong for modules where the module path doesn't match the module
name.