File _service of Package lxc

<services>
 <service name="download_url">
   <param name="protocol">http</param>
   <param name="host">lxc.sourceforge.net</param>
   <param name="path">/download/lxc/lxc-0.7.4.tar.gz</param>
 </service>
 <service name="recompress">
   <param name="file">_service:download_url:lxc-0.7.4.tar.gz</param>
   <param name="compression">bz2</param>
 </service>
</services>