Update Apache Commons Parent from 47 to 48. Add missing license header.

Author: Gary Gregory

pom.xml

@@ -25,7 +25,7 @@ limitations under the License.
   <parent>
     <groupId>org.apache.commons</groupId>
     <artifactId>commons-parent</artifactId>
-    <version>47</version>
+    <version>48</version>
   </parent>
   <groupId>commons-codec</groupId>
   <artifactId>commons-codec</artifactId>
@@ -389,15 +389,6 @@ limitations under the License.
         <artifactId>javancss-maven-plugin</artifactId>
         <version>2.1</version>
       </plugin>
-      <plugin>
-        <groupId>org.apache.rat</groupId>
-        <artifactId>apache-rat-plugin</artifactId>
-        <configuration>
-          <excludes>
-            <exclude>src/site/resources/.htaccess</exclude>
-          </excludes>
-        </configuration>
-      </plugin>
     </plugins>
   </reporting>
   <profiles>

src/site/resources/.htaccess

@@ -1 +1,16 @@
+# 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.
+
 AddCharset utf-8 .txt .html