The lack of "locales" resulted in a non-configured locales on initial
installation. The lack of eject means the ISO is never ejected at the
end of the installation. The lack of pciutils/usbutils likely has other
bad consequences.
* Add new --variant option to build alternative images of Kali.
* Add new --version option to decide of the name of the generated file.
* Add new --subdir option to indicate where the image must be moved.