Modifications

• Add the following to your pom.xml

   <build>
      <plugins>
         ...
         <plugin>
            <artifactId>maven-assembly-plugin</artifactId>
            <configuration>
               <descriptor>assembly-descriptor.xml</descriptor>
            </configuration>
         </plugin>
      </plugins>
   </build>

• Create an assembly-descriptor.xml in your project root directory

<assembly>
  <id>all</id>
  <formats>
    <format>tar.gz</format>
    <format>tar.bz2</format>
    <format>zip</format>
  </formats>
  <fileSets>
    <fileSet>
      <includes>
        <include>README*</include>
        <include>LICENSE*</include>
        <include>NOTICE*</include>
        <include>pom.xml</include>
        <include>.*</include>
      </includes>
    </fileSet>
    <fileSet>
      <directory>target</directory>
      <outputDirectory></outputDirectory>
      <includes>
        <include>site/**</include>
        <include>*.jar</include>
        <include>*.war</include>
        <include>*.ear</include>
      </includes>
    </fileSet>
    <fileSet>
      <directory>src</directory>
    </fileSet>
  </fileSets>
</assembly>