[GitHub] incubator-spark pull request: Add Security to Spark - Akka, Http, ...

[hsaputra]

Github user hsaputra commented on the pull request:

    https://github.com/apache/incubator-spark/pull/332#issuecomment-35124599
  
    Hi Tom, do you think it is useful to describe to security implementation 
and potential override/ customization under separate .md file under docs 
directory for future references?