File _servicedata of Package spreadcoin

<servicedata>
  <service name="tar_scm">
    <param name="url">https://github.com/spreadcoin-project/spreadcoin.git</param>
    <param name="changesrevision">dba4d2be6714eab77c42872fb5bb5b94935a5468</param>
  </service>
</servicedata>