message: add some more useful commands to the docs
diff: @@ -286,7 +286,32 @@ Setting up the selfplay cluster
  * Don't forget to push the images!
  * Now you can launch your job on the cluster -- check the parallelism in the
  - spec! -- per the instructions above. You've got about a half-hour before
  - games start to finish up.
  + spec! -- per the instructions above. You should let the selfplay cluster
  + finish up a bunch of games before you need to start running the training job,
  + so now's a good time to make sure things are going well.
  +Useful things for the selfplay cluster
  +--------------------------------------
  +
  +Setting up logging via stackdriver, plus metrics, bla bla.
  +
  +If you've run rsync and collected a set of SGF files, here are some handy
  +bashisms to run on them:
  +
  +* Find the proportion of games won by one color:
  + ```
  + grep "B+" **/*.sgf | wc -l
  + ```
  +* A histogram of game lengths (uses the 'ministat' package)
  + ```
  + find . -name "*.sgf" -exec /bin/sh -c 'tr -cd \; < {} | wc -c' \; | ministats
  + ```
  +
  +etc...
  +
  +
  +Setting up the training job
  +---------------------------
  +
  +TBD
  