This requires OVMF to be setup on the system, and for the kickstart to
create a /boot/efi/ partition. You can then use it to create UEFI
bootable partitioned disk images.
Run 'make docs' to update the apidocs.
Also moves the README.livemedia-creator and README.product into docs
as ReST documents. They will be installed in /usr/share/doc/lorax/
by the rpm package.