Add configuration for virsh dump

Signed-off-by: Yanbing Du <ydu@redhat.com>
Add test for virsh dump

Signed-off-by: Yanbing Du <ydu@redhat.com>
Update libvirtd status checkpoint

Update search key word from "pid" to "running" to avoid check fail
if host running systemd.

Signed-off-by: Yanbing Du <ydu@redhat.com>
Merge branch 'master' of ssh://github.com/will-Do/virt-test