Make asyncForEach available globally to reduce code duplication

dashboard/src/js/index.js

@@ -16,6 +16,22 @@ if (search.accessToken) {
     window.location.search = encodeURIComponent(Object.keys(search).map(function (key) { return key + '=' + search[key]; }).join('&'));
 }
 
+// poor man's async in the global namespace
+function asyncForEach(items, handler, callback) {
+    var cur = 0;
+
+    if (items.length === 0) return callback();
+
+    (function iterator() {
+        handler(items[cur], function (error) {
+            if (error) return callback(error);
+            if (cur >= items.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']);