This has to be in its own commit otherwise Travis will fail. This
is because it will keep the file in the build directory when
iterating all commits. Then `ldoc` will fail because the file doesn't
have documentation. If `config.ld` is updated first, then it will
fail because `ruled/init.lua` doesn't exist yet. When it is done
in a separate commit, then `config.ld` is already updated and comes
with `init.lua`.
Emmanuel Lepage Vallee