ToolBarManager toolBarManager = new ToolBarManager(SWT.FLAT);
toolBarManager.createControl(headerComposite);
applicationsViewer = new TableViewer(toolkit.createTable(client, SWT.NONE));
applicationsViewer.setContentProvider(new TreeContentProvider());
applicationsViewer.setLabelProvider(new ServerLabelProvider() {
@Override
public Image getImage(Object element) {
Image image = super.getImage(element);
if (element instanceof IModule) {