added timestamps in the datamodels and notification interval control

Author: vgenev

.gitignore

@@ -10,6 +10,7 @@ pids
 *.pid
 *.seed
 *.pid.lock
+.vscode
 
 # Directory for instrumented libs generated by jscoverage/JSCover
 lib-cov

.vscode/launch.json

@@ -0,0 +1,15 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "start app",
+      "program": "${workspaceFolder}/app.js",
+      "outputCapture": "std"
+    }
+  ]
+}