Add the following fragment to your pom file to execute the jas plugin as part of the "install" phase.
<project>
...
<build>
<plugins>
<plugin>
<groupId>org.freehep</groupId>
<artifactId>freehep-jas-plugin</artifactId>
<version>2.0-SNAPSHOT</version>
<executions>
<execution>
<goals>
<goal>install</goal>
</goals>
</execution>
</executions>
<configuration>
<jarName>RenamedJarFile</jarName>
</configuration>
</plugin>
</plugins>
</build>
...
</project>