static nat for the vm VM
splitting enableStaticNat() method in to a service and manager layer
method. So as to ensure action event annotation is present only on
service layer method.
NetworkManager's exclusive focus is now
- handling plugins during orchestration, and
- to deal with ip address allocation.
Those classes that used to refer to NetworkManager to get access to the datamodel now refer to NetworkModel
Signed-off-by: Chiradeep Vittal <chiradeep@apache.org>
