add tracking ID

lib/util/analytics.js

@@ -12,7 +12,7 @@ var insight;
 analytics.setup = function setup() {
     var deferred = Q.defer();
     insight = new Insight({
-        trackingCode: 'UA-XXXXXXX-X',
+        trackingCode: 'UA-43531210-1',
         packageName: pkg.name,
         packageVersion: pkg.version
     });