for #2798, add copyright for .mvn/jvm.config

.mvn/jvm.config

--Xmx1024m -XX:MaxPermSize=256m
\ No newline at end of file
+/*
+ * 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.
+ *
+ */
+
+-Xmx1024m -XX:MaxPermSize=256m

jenkinsfile

@@ -39,7 +39,7 @@ pipeline {
         }
         stage('Build & Test') {
             tools {
-			    // use at least Apache Maven 3.3.1 to have .mvn/jvm.config support
+                // use at least Apache Maven 3.3.1 to have .mvn/jvm.config support
                 maven 'Maven 3.6.0'
                 jdk 'JDK 1.8 (latest)'
             }