Added ubuntu update bash script.
Script to set up sshd.
Script to set up networking.
Script to set up sudoers.
Script to add vagrant ssh key.
Script to install VirtualBox extensions.
Cleanup script for ubuntu.

This script tidies the remaining cruft following the install
in order to prepare for minimize.sh. The idea is to create the
smallest vm image possible.
Script to minimize disk image size.

Fills the image with zeros before removing.
Makes the final image compression friendly but WILL expand the
image to full size (40GB at the moment) before shrinking.
Ubunut precise i386 packer template.

This template uses packer to create a minimal image size ubuntu
precise i386 VirtualBox image then produces a vagrant box.

Currently the virtual box image is cleaned up after the vagrant
box is produced.
Ubunut precise amd64 packer template.

This template uses packer to create a minimal image size ubuntu
precise amd64 VirtualBox image then produces a vagrant box.

Currently the virtual box image is cleaned up after the vagrant
box is produced.