title: How to change job/stage description in web UI?
body: <p>When I run a job on Apache Spark, the web UI gives a view similar to this:</p>
  
  <p><a href="https://i.stack.imgur.com/5SJjH.png" rel="noreferrer"><img src="https://i.stack.imgur.com/5SJjH.png" alt="enter image description here"></a></p>
  
  <p>While this is incredibly useful for me as a developer to see where things are, I think the line numbers in the stage description would be not quite as useful for my support team.  To make their job easier, I would like to have the ability to provide a bespoke name for each stage of my job, as well as for the job itself, like so:</p>
  
  <p><a href="https://i.stack.imgur.com/vcg2D.png" rel="noreferrer"><img src="https://i.stack.imgur.com/vcg2D.png" alt="enter image description here"></a></p>
  
  <p>Is this something that can be done in Spark?  If so, how would I do so?</p>