lrm/exluded/protected rewrite

[Auke Kok]

Jerry Lundström wrote:
> What about in BUILD install_conf examples/foo.conf /etc/foo/ md5:12345 ?
> 
> I know ppl are against adding more controlfiles to lunar but we could
> add /var/log/lunar/config/ having a small list of all configfiles and
> the md5sum. That way when upgrading we can check against the files that
> exists in /etc to the md5 when we installed, if they match we can just
> put in the new one and if they dont we prompt.

that's EXACTLY what happens right now, and what the intent of the
previous implementations was too. We just don't need a special md5sum
file for that, we already have the general ones.

sofar