libvirt: uprev to 1.1.2

1.1.2 is available and fixes a number of issues with 1.1.1 (segfaults
and more).

Since 1.1.1 has been available for a while, with no significant issues
reported, I'm also removing the fallback 1.0.3 and 1.1.1 recipes with
this update.

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
linux-yocto: add kernel fragment and scc to support xen on linux 3.4, 3.8, and 3.10.

Signed-off-by: Chris Patterson <cjp256@gmail.com>
linux-yocto: add optional support for aufs and xen using DISTRO_FEATURES.

Signed-off-by: Chris Patterson <cjp256@gmail.com>
xen: add 4.3.0 recipe.

Signed-off-by: Chris Patterson <cjp256@gmail.com>
xen-image-minimal: update image to support xen 4.3.0 base with xl toolstack.

Signed-off-by: Chris Patterson <cjp256@gmail.com>