license header added

src/webapp/src/java/org/wyona/yanel/servlet/YanelServlet.java

@@ -1,3 +1,18 @@
+/*
+ * See the NOTICE.txt file distributed with
+ * this work for additional information regarding copyright ownership.
+ * Wyona 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.
+ */
 package org.wyona.yanel.servlet;
 
 import java.io.ByteArrayInputStream;