lint issues

frontend-js/src/main/js/map/Submap.js

 "use strict";
 
+/* exported logger */
+
 var logger = require('../logger');
 var AbstractCustomMap = require('./AbstractCustomMap');
 var CustomMapOptions = require('./CustomMapOptions');

frontend-js/src/test/js/Export-test.js

 "use strict";
 
 /* exported logger */
+/* exported assert */
 
 var Export = require('../../main/js/Export');
 var logger = require('./logger');