add apache license header


git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@816684 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/sigil/bldcommon/updatesite.groovy b/sigil/bldcommon/updatesite.groovy
index de8ac77..fe0840c 100644
--- a/sigil/bldcommon/updatesite.groovy
+++ b/sigil/bldcommon/updatesite.groovy
@@ -1,3 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
 import java.util.jar.JarFile
 
 def processFeature(file,writer) {