Fix handler to current style

index.js

@@ -1,9 +1,9 @@
 // For development/testing purposes
-exports.handler = function( event, context ) {
+exports.handler = function(event, context, callback) {
   console.log( "Running index.handler" );
   console.log( "==================================");
   console.log( "event", event );
   console.log( "==================================");
   console.log( "Stopping index.handler" );
-  context.done( );
+  callback(null);
 };