fix case sensitivity issues (linux problems)

frontend-js/src/main/js/gui/LoginDialog.js

@@ -7,7 +7,7 @@ var GuiConnector = require('../GuiConnector');
 var InvalidCredentialsError = require('../InvalidCredentialsError');
 var PanelControlElementType = require('./PanelControlElementType');
 
-var Functions = require('../functions');
+var Functions = require('../Functions');
 var logger = require('../logger');
 
 function LoginDialog(params) {

frontend-js/src/main/js/gui/OverviewDialog.js

@@ -5,7 +5,7 @@
 var AbstractGuiElement = require('./AbstractGuiElement');
 var GuiConnector = require('../GuiConnector');
 
-var functions = require('../functions');
+var functions = require('../Functions');
 var logger = require('../logger');
 
 function OverviewDialog(params) {

frontend-js/src/main/js/gui/leftPanel/PublicationListDialog.js

@@ -9,7 +9,7 @@ var Alias = require('../../map/data/Alias');
 var IdentifiedElement = require('../../map/data/IdentifiedElement');
 var Reaction = require('../../map/data/Reaction');
 
-var Functions = require('../../functions');
+var Functions = require('../../Functions');
 var logger = require('../../logger');
 
 function PublicationListDialog(params) {

frontend-js/src/test/js/mocha-config.js

@@ -3,7 +3,7 @@
 var Promise = require("bluebird");
 var Cookies = require('js-cookie');
 
-var Helper = require('./Helper');
+var Helper = require('./helper');
 
 // GLOBAL configuration
 global.navigator = {
@@ -18,7 +18,7 @@ global.dom = new jsdom.JSDOM();
 global.window = global.dom.window;
 global.document = window.document;
 
-global.$ = require('jQuery');
+global.$ = require('jquery');
 global.jQuery = $;
 global.window.$ = $;