KVM SR: fix resilient promise.
Resilient stack: fix resilient promise.
KVM SR: update test disk image link.
KVM SR: resilient export script: suspend vm before removing snapshot.
KVM SR: update pinned egg versions.
Update Qemu component to 1.6.1.
KVM SR: new way of exporting disk image.

Using new built-in feature of qemu 1.6.
Resiliency: fix promises.
KVM SR: update resiliency test disk image URL.
KVM SR: fix double $ in jinja template.
KVM component: update debian disk image.
KVM SR: add promise to look for disk image non-corruption.
KVM: fix syntax in input schema.