AMBARI-5963. fix license header issues. (Giridharan Kesavan via mahadev)

pom.xml

@@ -162,6 +162,8 @@
         <artifactId>apache-rat-plugin</artifactId>
         <configuration>
           <excludes>
+            <exclude>**/repo_*.j2</exclude>
+            <exclude>**/ambari-log4j.spec</exclude>
             <exclude>**/version.txt</exclude>
             <exclude>**/release.txt</exclude>
             <exclude>**/*.list</exclude>