CORD-628 Refactored VTN service network and port API

- Removed direct use of Neutron data model and Neutron API
- Extended service network and service port API to have all network
  information required for VTN
- Removed unnecessary dependency manager and store
- Removed network state sync method with Neutron and XOS
- Removed Neutron and XOS access information from the network config
- Re-organized API packages

Change-Id: I18f49ec733309315f683dfb2e6be6526056118f1
diff --git a/src/main/java/org/opencord/cordvtn/impl/handler/ManagementInstanceHandler.java b/src/main/java/org/opencord/cordvtn/impl/handler/ManagementInstanceHandler.java
index dd3eb81..0475f07 100644
--- a/src/main/java/org/opencord/cordvtn/impl/handler/ManagementInstanceHandler.java
+++ b/src/main/java/org/opencord/cordvtn/impl/handler/ManagementInstanceHandler.java
@@ -29,14 +29,14 @@
 import org.onosproject.net.flow.FlowRule;
 import org.onosproject.net.flow.TrafficSelector;
 import org.onosproject.net.flow.TrafficTreatment;
-import org.opencord.cordvtn.api.instance.Instance;
-import org.opencord.cordvtn.api.instance.InstanceHandler;
-import org.opencord.cordvtn.api.net.VtnNetwork;
+import org.opencord.cordvtn.api.core.Instance;
+import org.opencord.cordvtn.api.core.InstanceHandler;
+import org.opencord.cordvtn.api.net.ServiceNetwork;
 import org.opencord.cordvtn.impl.CordVtnNodeManager;
 import org.opencord.cordvtn.impl.CordVtnPipeline;
 
-import static org.opencord.cordvtn.api.net.ServiceNetwork.ServiceNetworkType.MANAGEMENT_HOST;
-import static org.opencord.cordvtn.api.net.ServiceNetwork.ServiceNetworkType.MANAGEMENT_LOCAL;
+import static org.opencord.cordvtn.api.net.ServiceNetwork.NetworkType.MANAGEMENT_HOST;
+import static org.opencord.cordvtn.api.net.ServiceNetwork.NetworkType.MANAGEMENT_LOCAL;
 
 /**
  * Provides local management network connectivity to the instance. The instance
@@ -64,7 +64,7 @@
 
     @Override
     public void instanceDetected(Instance instance) {
-        VtnNetwork vtnNet = getVtnNetwork(instance);
+        ServiceNetwork vtnNet = getServiceNetwork(instance);
 
         switch (vtnNet.type()) {
             case MANAGEMENT_LOCAL:
@@ -82,7 +82,7 @@
 
     @Override
     public void instanceRemoved(Instance instance) {
-        VtnNetwork vtnNet = getVtnNetwork(instance);
+        ServiceNetwork vtnNet = getServiceNetwork(instance);
 
         switch (vtnNet.type()) {
             case MANAGEMENT_LOCAL: