outputDirectory default value in fileSet seems changed; now seems to use directory name of fileSet sourcedir

Hi

With this configuration:
   <pluginRepositories>
       <pluginRepository>
           <id>maven-staging-031</id>
           <name>maven-staging-031</name>
           <url>https://repository.apache.org/content/repositories/maven-staging-031</url>
       </pluginRepository>
   </pluginRepositories>

   <build>
       <plugins>
           <plugin>
               <groupId>org.apache.maven.plugins</groupId>
               <artifactId>maven-assembly-plugin</artifactId>
               <version>2.2-beta-4</version>
               <configuration>
                   <descriptorRefs>
                       <descriptorRef>jar-with-dependencies</descriptorRef>
                   </descriptorRefs>
               </configuration>
               <executions>
                   <execution>
                       <id>make-assembly</id>
                       <phase>package</phase>
                       <goals>
                           <goal>single</goal>
                       </goals>
                   </execution>
               </executions>
           </plugin>
       </plugins>
   </build>

I have "target" folder/package inside jar-with-dependencies archive which contains copies of my project classes (they are in the normal
package structure within this archive too).
...