CORD-535 Added purge and sync states CLIs

And improved result format of the existing CLIs

Change-Id: I49476ab52f77f6fadddf00dfc113c51153b300ed
diff --git a/src/main/java/org/opencord/cordvtn/impl/CordVtnNodeManager.java b/src/main/java/org/opencord/cordvtn/impl/CordVtnNodeManager.java
index b1858a3..78cc228 100644
--- a/src/main/java/org/opencord/cordvtn/impl/CordVtnNodeManager.java
+++ b/src/main/java/org/opencord/cordvtn/impl/CordVtnNodeManager.java
@@ -289,7 +289,7 @@
      */
     public boolean isNodeInitComplete(CordVtnNode node) {
         checkNotNull(node);
-        return getNodeState(node).equals(NodeState.COMPLETE);
+        return isNodeStateComplete(node);
     }
 
     /**