<source>1.4</source>
          <target>1.4</target>
        </configuration>
      </plugin>
    </plugins>
    <extensions>
      <extension>
        <groupId>org.apache.maven.wagon</groupId>
        <artifactId>wagon-webdav</artifactId>
        <version>1.0-beta-2</version>
      </extension>
    </extensions>
  </build>