Add profiler node to sys node

Author: d-shapiro

dslink-core/src/main/java/org/iot/dsa/dslink/DSSysNode.java

@@ -7,6 +7,7 @@
 import org.iot.dsa.node.action.ActionInvocation;
 import org.iot.dsa.node.action.ActionResult;
 import org.iot.dsa.node.action.DSAction;
+import org.iot.dsa.profiler.ProfilerNode;
 import org.iot.dsa.util.DSException;
 
 /**
@@ -19,6 +20,7 @@ public class DSSysNode extends DSNode {
     static final String CONNECTION = "connection";
     static final String SAVE = "save";
     static final String STOP = "stop";
+    static final String PROFILER = "profiler";
 
     private DSInfo connection = getInfo(CONNECTION);
     private DSInfo save = getInfo(SAVE);
@@ -29,6 +31,7 @@ protected void declareDefaults() {
         declareDefault(CONNECTION, new DSNode()).setTransient(true);
         declareDefault(SAVE, DSAction.DEFAULT);
         declareDefault(STOP, DSAction.DEFAULT);
+        declareDefault(PROFILER, new ProfilerNode()).setTransient(true);
     }
 
     public DSLinkConnection getConnection() {