integral-image-dom0-live: Change to MIT license.

No clue why this was LGPL.
integral-image-dom0: Add xen-scripts-block to IMAGE_INSTALL.

I ran into a boot hang trying to use the xendomains init script to auto
boot a VM. The call to 'xl create' to boot the VM is done from a subshell
(using command replacement). It never returns without these scripts. I'm
not sure why.
xen-pv-config.bbclass: Don't autostart VMs by default.
integral-image-ndvm-pkg: Auto boot NDVM.
xen-pv-config.bbclass: Make variable for generated VM config file.
DQ67EP: Add file to describe specifics of the DQ67EP motherboard.

The intent here is to track trhings like the PCI bus addresses of
various devices. I'm only playing with the NIC so far.
xen-pv-config: Include BOARD config and use it to pass through the NIC.

This will need to be refactored for VMs that aren't NDVMs. More to come.
integral-image-dom0-live: Bind the NIC from the BOARD config if it's defined.

This should probably be conditional on whether or not there's an NDVM
included in the build.
integral-image-dom0: Remove xen-scripts-block from IMAGE_INSTALL.

This is now a dependency of xen-domains ... assuming upstream takes
the patch.
integral-image-dom0: Remove netback module.

This is taken care of by the NDVM now.
integral-image-dom0: Remove pciback module.

This needs to be built into the kernel in order to bind PCI devices
through the kernel command line. I've still gotta get the patch that
builds this into the kernel upstreamed.