Adding a new file which will demonstrate migration from 3.x to 4.x

Author: gcohen

node.js/examples/migration.js

@@ -0,0 +1,52 @@
+/* ---------------------------------------------------------------------------
+
+    Init PubNub and Get your PubNub API Keys:
+    http://www.pubnub.com/account#api-keys
+
+--------------------------------------------------------------------------- */
+
+function logResults(r){
+    console.log("RESULT from " + r.operation + " call:");
+    console.log(JSON.stringify(r,null,2));
+}
+
+function logStatus(r){
+    console.log("STATUS from " + r.operation + " call:");
+    console.log(JSON.stringify(r,null,2));
+}
+
+var pubnub = require("./../pubnub.js").init({
+    publish_key   : "demo-36",
+    subscribe_key : "demo-36",
+    secret_key : "demo-36",
+    ssl : true,
+    uuid : "v4_migration",
+    result : logResults,
+    status : logStatus
+});
+
+var channel = "a";
+var message = "Hello World !!!"
+
+pubnub.subscribe({
+    channel: channel}
+);
+
+pubnub.history({
+    channel : channel
+});
+
+pubnub.publish({
+    channel : channel,
+    message : message
+});
+
+pubnub.grant({
+    channel: channel,
+    read : true,
+    write : true
+});
+
+pubnub.audit({
+    channel: channel
+});