Added basic kernel config fragment to support compiling 3.4 kernel with XEN support, by including feature "xen".
Removing poky-hype distro config in favor of just oe-hype.
Adding xen feature support to oe-hype distro.
Adding a first stab at a xen 4.3.0 recipe.
Including xen bits (toolstack and hypervisor) in hype-rootfs and use xen hypervisor for hype-installer.