changed kvm script to add an ip instead of a bridge for virtualbox
copied add_firmware_to_deb_iso from: http://people.debian.org/~dannf/add-firmware-to/add-firmware-to. This was found on http://www.n0r1sk.com/index.php/Debian_Remaster_Netinstaller_-_Integrate_Firmware_bnx2x_and_Preseed