AMBARI-1162. Add CHANGES.txt as an exclude file to rat.

git-svn-id: https://svn.apache.org/repos/asf/incubator/ambari/trunk@1432338 13f79535-47bb-0310-9956-ffa450edef68

pom.xml

@@ -115,6 +115,7 @@
           <excludes>
             <exclude>**/*.json</exclude>
             <exclude>derby.log</exclude>
+            <exclude>CHANGES.txt</exclude>
             <exclude>AMBARI-666-CHANGES.txt</exclude>
             <exclude>pass.txt</exclude>
             <exclude>contrib/addons/test/dataServices/jmx/data/cluster_configuration.json.nohbase</exclude>