Add specs that document VLAN solution for OVSvAPP
Add specs that document VLAN solution for OVSvAPP

Change-Id: I39607856162c6d732d2f43ff36855e40162e6c28

Mirantis/vmware-dvs,stackforge/networking-vsphere,ekosareva/networking-vsphere,openstack/networking-vsphere,ekosareva/networking-vsphere,VTabolin/networking-vsphere,VTabolin/networking-vsphere,openstack/networking-vsphere,ekosareva/vmware-dvs,Mirantis/vmware-dvs,stackforge/networking-vsphere,ekosareva/vmware-dvs