add aplv2 headers to package-info.java

virtdata-lib-curves4/src/main/java/org/apache/commons/package-info.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2022 nosqlbench
+ *
+ * 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.
+ */
+
 /**
  * This package is an import of some org.apache.commons source trees.
  * Once the state of the newer o.a.c.math4 and distributions modules is stable,
@@ -6,4 +22,4 @@
  * given the confluence of JPMS, the status of the math4 repos, and the need
  * to access stable CDF functions across the extant distributions.
  */
-package org.apache.commons;
+package org.apache.commons;