Migrate maven-changes-plugin to version 2.4 from 2.3. Tested with Maven 3.0.2 and 2.2.1.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1072727 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

pom.xml

@@ -277,7 +277,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-changes-plugin</artifactId>
-          <version>2.3</version>
+          <version>2.4</version>
           <configuration>
             <xmlPath>${basedir}/src/changes/changes.xml</xmlPath>
             <issueLinkTemplate>%URL%/%ISSUE%</issueLinkTemplate>