added count example

examples/count.js

@@ -0,0 +1,26 @@
+//
+//  count.js
+//  hifi
+//
+//  Created by Brad Hefta-Gaub on 12/31/13.
+//  Copyright (c) 2013 HighFidelity, Inc. All rights reserved.
+//
+//  This is an example script that runs in a loop and displays a counter to the log
+//
+
+var count = 0;
+
+function displayCount() {
+    print("count =" + count);
+    count++;
+}
+
+function scriptEnding() {
+    print("SCRIPT ENDNG!!!\n");
+}
+
+// register the call back so it fires before each data send
+Agent.willSendVisualDataCallback.connect(displayCount);
+
+// register our scriptEnding callback
+Agent.scriptEnding.connect(scriptEnding);