Adjusted AdminConsole Header/Authentication styling to be consistent

with the other modules

java/com.sap.sailing.gwt.ui/AdminConsole.css

@@ -1,13 +1,18 @@
 /** Add css rules here for your application. */
 
-* {
+.adminConsolePanel, .adminConsolePanel * {
 	font-family: Arial;
 	font-size: 12px;
 }
 
-body {
+body, html {
+	font-size: 15px;
+	font-family: 'Open Sans',sans-serif;
 	margin: 0;
 }
+body {
+	font-size: 14px;
+}
 
 /** Example rules used by the template application (remove for your app) */
 h1 {

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/AdminConsoleEntryPoint.java

@@ -98,6 +98,8 @@ public class AdminConsoleEntryPoint extends AbstractSailingEntryPoint implements
     private Widget createAdminConsolePanel() {
         AdminConsolePanel panel = new AdminConsolePanel(getUserService(), SailingPermissionsForRoleProvider.INSTANCE, 
                 sailingService, getStringMessages().releaseNotes(), "/release_notes_admin.html", /* error reporter */ this, SecurityStylesheetResources.INSTANCE.css());
+        panel.addStyleName("adminConsolePanel");
+        
         BetterDateTimeBox.initialize();
         regattasDisplayers = new HashSet<>();
         leaderboardsDisplayers = new HashSet<>();