CORD-247 Add host management network interface to integration bridge

- Node can have management network connectivity by adding "hostManagementIface"
field to the network config "nodes" block, it's optional field
- Added Builder of CordVtnNode
- Improved cordvtn-node-check result
- Some renamings, intBrId -> integrationBridgeId, dpIp -> dataIp,
dpIntf -> dataIface, and dpPort -> dataPort

Change-Id: I7a54edfb273181f0cb35b69fcfc7a448015734bf
diff --git a/src/main/java/org/opencord/cordvtn/api/Constants.java b/src/main/java/org/opencord/cordvtn/api/Constants.java
index b4c7329..bee5734 100644
--- a/src/main/java/org/opencord/cordvtn/api/Constants.java
+++ b/src/main/java/org/opencord/cordvtn/api/Constants.java
@@ -15,6 +15,8 @@
  */
 package org.opencord.cordvtn.api;
 
+import org.onlab.packet.TpPort;
+
 /**
  * Provides constants used in CORD VTN services.
  */
@@ -30,8 +32,10 @@
     public static final String MSG_OK = "OK";
     public static final String MSG_NO = "NO";
 
-    public static final String PORT_NAME = "portName";
     public static final String DEFAULT_TUNNEL = "vxlan";
-    public static final String DEFAULT_BRIDGE = "br-int";
+    public static final String INTEGRATION_BRIDGE = "br-int";
     public static final String VPORT_PREFIX = "tap";
+
+    public static final int OF_PORT = 6653;
+    public static final TpPort OVSDB_PORT = TpPort.tpPort(6640);
 }