spec: Require lorax and pykickstart

Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>
ks: Rename a ks

Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>
imgbase: Move to the documented naming scheme

Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>
imgbase: Improve base creation

Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>
tests: Add basic testing infrastructure

Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>