File _service of Package opencv-contrib

<services>
  <service name="download_url">
    <param name="protocol">https</param>
    <param name="host">github.com</param>
    <param name="path">/Itseez/opencv_contrib/archive/3.1.0.zip</param>
    <param name="filename">opencv-3.1.0-contrib</param>
  </service>
  <service name="download_url">
    <param name="protocol">https</param>
    <param name="host">github.com</param>
    <param name="path">/Itseez/opencv/archive/3.1.0.zip</param>
    <param name="filename">opencv-3.1.0</param>
  </service>
</services>