Back up to maven-checkstyle-plugin 2.9.1 from 2.10. 2.10 seems to scan the 'target' dir and wants license headers in .properties to be the header for Java files. Drawback: there are two reports now.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1465317 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

pom.xml

@@ -281,7 +281,7 @@ limitations under the License.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>
-        <version>2.10</version>
+        <version>2.9.1</version>
         <configuration>
           <configLocation>${basedir}/checkstyle.xml</configLocation>
           <enableRulesSummary>false</enableRulesSummary>