Maven Assembly Plugin - Include other child dependencies in assembly
...
    <plugin>
   <artifactId>maven-assembly-plugin</artifactId>
   <inherited>true</inherited>
   <configuration>
      <descriptors>
         <descriptor>desc.xml</descriptor>
      </descriptors>
   </configuration>
...

...

        <moduleSets>
            <moduleSet>
                <binaries>
                    <unpack>false</unpack>
                    <dependencySets>
                        <dependencySet>
                            <unpack>false</unpack>
                            <scope>runtime</scope>
                            <outputDirectory>lib</outputDirectory>
                        </dependencySet>
                    </dependencySets>
                </binaries>
            </moduleSet>
        </moduleSets>
    ...