api ES6 refactoring

src/client/api/api.js

@@ -1,16 +1,10 @@
-/**
- * Created by tmshv on 22/11/14.
- */
-
 import APIFeed from './APIFeed';
 import APIGallery from './APIGallery';
 import APIDocument from './APIDocument';
 
-module.exports = function (app) {
-    var minute = 1000 * 60;
-
-    app.factory("api", function ($http) {
-        var api = {};
+export default function (app) {
+    app.factory('api', function ($http) {
+        let api = {};
         api.news = new APIFeed($http);
         api.gallery = new APIGallery($http);
         api.document = new APIDocument($http);