iscsi needs the hostname package to function, it now needs to be
installed directly due to the network-scripts split from initscripts.
Resolves: rhbz#1599183
...turns out you can't just have a single template file, because lorax
just picks a single directory and expects all the data it needs to be
there. Sigh.
So this adds all the rest of the files, plus some Makefile machinery for
generating a tarball and updating the specfile after you've checked in
changes. See README for details.