Added ExperimentalFeatures flag to enable/disable User Management menu

in RaceBoard

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/raceboard/ExperimentalFeatures.java

@@ -0,0 +1,12 @@
+package com.sap.sailing.gwt.ui.raceboard;
+
+/**
+ * This class contains convenience boolean flags to enable/ disable features in experimental phase.
+ */
+public class ExperimentalFeatures {
+
+    /**
+     * Enables/disables user management on race board by showing/hiding the respective menu in the upper right corner.
+     */
+    public static final boolean SHOW_USER_MANAGEMENT_ON_RACEBOARD = true;
+}

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/raceboard/RaceBoardPanel.java

@@ -309,6 +309,10 @@ public class RaceBoardPanel extends SimplePanel implements LeaderboardUpdateList
         AuthenticationCallback callback = new AuthenticationCallbackImpl(userManagementController);
         userManagementController = new AuthenticationPlaceManagementController(clientFactory, callback, display, eventBus);
         new FlyoutAuthenticationPresenter(display, userManagementMenuView, userManagementController, eventBus);
+        if (!ExperimentalFeatures.SHOW_USER_MANAGEMENT_ON_RACEBOARD) {
+            regattaAndRaceTimeInformationHeader.getElement().getStyle().setRight(10, Unit.PX);
+            userManagementMenuView.asWidget().removeFromParent();
+        }
     }
 
     @SuppressWarnings("unused")