Insert SVN Revision Number into MANIFEST.MF

<project>
  <scm>
    <connection>scm:svn:http://svn/folder</connection>
    <developerConnection>scm:svn:http://svn/folder</developerConnection>
    <url>http://svn/folder</url>
  </scm>
  <plugins>
    <plugin>
      <groupId>org.codehaus.mojo</groupId>
      <artifactId>buildnumber-maven-plugin</artifactId>
      <executions>
        <execution>
          <phase>validate</phase>
          <goals>
            <goal>create</goal>
          </goals>
        </execution>
      </executions>
      <configuration>
        <doCheck>false</doCheck>
        <doUpdate>false</doUpdate>
      </configuration>
    </plugin>
    <plugin>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-jar-plugin</artifactId>
      <configuration>
        <archive>
          <manifest>
            <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
          </manifest>
          <manifestEntries>
            <SCM-Revision>$&;{buildNumber}</SCM-Revision>
          </manifestEntries>
        </archive>
      </configuration>
    </plugin>
  </plugins>
</project>