anchor.diff:  ....
   
   An individual slot file in the state database,
  -e.g. db/state/wordcount-lax/2015-09-15/01:00:00.000Z looks like this:
  +e.g. db/state/wordcount-lax/2015-09-15/01:00:00.000Z, looks like this:
   
   ....
   {
  
positive.code:   yet-another-workflow.js
  ....
  
  ==== Defaults Directory
  
  The defaults directory contains JavaScript files that can be imported
  from workflow files with <<celos.importDefaults>>.
  
  It may look like this:
  
  ....
  defaults/
    production-settings.js
    some-cool-variables.js
  ....
  
  ==== Logs Directory
  
  The logs directory contains the file celos.log and older daily log
  files into which Celos writes informative and error output.
  
  It may look like this:
  
  ....
  logs/
    celos.log
    celos-2015-09-15.log
  ....
  
  ==== Database Directory
  
  The database directory contains the state of each slot as a small JSON
  file.
  
  ....
  db/
  
negative.code: The `status` field records the state of the state machine (below) the
  slot is in.
  
  The `externalID` field contains the Oozie ID of the corresponding
  Oozie workflow execution if the slot is running, successful, or failed
  (otherwise `externalID` is null).
  
  The `retryCount` records how many times the slot has already been
  