add copyright header
diff --git a/org.eclipse.osbp.authentication.ui/src/org/eclipse/osbp/authentication/ui/login/AuthenticationUiUtil.java b/org.eclipse.osbp.authentication.ui/src/org/eclipse/osbp/authentication/ui/login/AuthenticationUiUtil.java
index f69f0df..61a9424 100644
--- a/org.eclipse.osbp.authentication.ui/src/org/eclipse/osbp/authentication/ui/login/AuthenticationUiUtil.java
+++ b/org.eclipse.osbp.authentication.ui/src/org/eclipse/osbp/authentication/ui/login/AuthenticationUiUtil.java
@@ -1,4 +1,16 @@
-package org.eclipse.osbp.authentication.ui.login;
+/**
+ *
+ * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
+ */
+ package org.eclipse.osbp.authentication.ui.login;
import org.apache.commons.mail.DefaultAuthenticator;
import org.apache.commons.mail.Email;
