private void initHistoryTab(TabHelper tabSupport) {
if (!AppConfig.get().history.enabled) {
add(new Label("historyPanel", "History is disabled in application-configuration"));
return;
}
HistoryPanel historyPanel = new HistoryPanel("historyPanel");
add(historyPanel);
tabSupport.registerReloadableTab(historyPanel, ".cq-tabHistory");
}