Update some Maven plugins.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1668452 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

pmd.xml

@@ -20,7 +20,7 @@ limitations under the License.
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
   <description>Excludes from default PMD rules.</description>
-  <rule ref="rulesets/java/unusedcode.xml">
-    <exclude name="UnnecessaryParentheses"/>
+  <rule ref="rulesets/java/unnecessary.xml">
+    <exclude name="UselessParentheses"/>
   </rule>
 </ruleset>

pom.xml

@@ -264,7 +264,7 @@ limitations under the License.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jar-plugin</artifactId>
-        <version>2.4</version>
+        <version>2.6</version>
         <executions>
           <execution>
             <goals>
@@ -276,7 +276,7 @@ limitations under the License.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-assembly-plugin</artifactId>
-        <version>2.5</version>
+        <version>2.5.3</version>
         <configuration>
           <descriptors>
             <descriptor>src/main/assembly/bin.xml</descriptor>
@@ -313,7 +313,7 @@ limitations under the License.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-pmd-plugin</artifactId>
-        <version>3.3</version>
+        <version>3.4</version>
         <configuration>
           <targetJdk>${maven.compiler.target}</targetJdk>
           <linkXref>true</linkXref>
@@ -342,7 +342,7 @@ limitations under the License.
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>javancss-maven-plugin</artifactId>
-        <version>2.0</version>
+        <version>2.1</version>
       </plugin>
     </plugins>
   </reporting>