* Increases disk size to the usual 40GB
* Uses a newer gentoo minimal ISO images
* Correctly initializes network interfaces and sshd to allow logging
* Fixes shutdown
* Verifies and displays created partitions
* Patches grub.cfg as we created a kernel without an initramfs
* Creates a logical link /etc/init.d/net.lo -> netif.lo. This
  allows lib/vagrant/guest/gentoo.rb to create the network interfaces
Merge pull request #621 from ngiger/funtoo-latest

Brining funtoo-latest-x86_64t into a workable state