Do not send invite email when invite button is pressed

src/js/index.js

@@ -34,6 +34,22 @@ function asyncForEach(items, handler, callback) {
     })();
 }
 
+function asyncSeries(funcs, callback) {
+    var cur = 0;
+
+    if (funcs.length === 0) return callback();
+
+    (function iterator() {
+        funcs[cur](function (error) {
+            if (error) return callback(error);
+            if (cur >= funcs.length-1) return callback();
+            ++cur;
+
+            iterator();
+        });
+    })();
+}
+
 // create main application module
 var app = angular.module('Application', ['ngFitText', 'ngRoute', 'ngAnimate', 'ngSanitize', 'angular-md5', 'base64', 'slick', 'ui-notification', 'ui.bootstrap', 'ui.bootstrap-slider', 'ngTld', 'ui.multiselect']);