Eli Qiao 95da9dc0d2 devstack: add vnc listen address
Make virtual machine graphical console listen on 0.0.0.0.
This allows to access to VM VNC console from remote ('desktop' PC)
on devstack's HOST_IP.
VNC port may be found by using: virsh vncdisplay {vm_name}

Change-Id: I253899393c98c24d46710aa4ab78f1090bae00f4
2016-12-12 01:39:16 +00:00
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