Add missing header

Change-Id: Ibb3b19bb19296cfd0777bb7d1c5852aa6f926fb1

1 files changed, 15 insertions, 0 deletions

diff --git a/server/src/main/java/com/vaadin/ui/ProgressBar.java b/server/src/main/java/com/vaadin/ui/ProgressBar.java
index f06170f677..7df0fc5f83 100644
--- a/server/src/main/java/com/vaadin/ui/ProgressBar.java
+++ b/server/src/main/java/com/vaadin/ui/ProgressBar.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2000-2016 Vaadin Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
 package com.vaadin.ui;
 
 import org.jsoup.nodes.Element;