To include vm factory related commits. Full list:
54caf78 (mine/templating, templating) qmp: add hotplug memory
e66a9b4 qemu: add appendMemoryKnobs helper
8aeca15 qmp: add migrate set arguments
a03d496 qmp: add set migration capabilities
0ace417 qemu: allow to set migration incoming
723bc5f qemu: allow to create a stopped guest
283d7df qemu: add file backed memory device support
Signed-off-by: Peng Tao <bergwolf@gmail.com>