Draft doc for CF

## Unit document transformed after geting the result back from Mturk worker
{
  "_id": "dsk93kddjfj39o3",
  "run_id": 234,
  "values":[
    { # Production Run Input
      "_id": "23451sdkfj23fdsdfff",
      "station_id": nil,
      "results": [{"company": "Apple", "website": "http://www.apple.com"}]
    },
    { # Station 1 Results
      "_id": "3i0ekfoepeprrr",
      "station_id": 122,
      "results": [{"task_id": "234s3s4sdfg", "worker_id": "234dsfsdf3424", "CEO": "Stephanie Jobs", "twitter": "Apple Systems"}]
      
    },
    { # Station 2 Results
      "_id": "3i0ekfoepeprrr",
      "station_id": 122,
      "results": [{"task_id": "2324fsdf43", "worker_id": "435g43345fg", "CEO": "Steve Jobs", "twitter": "Apple"}]
    }
  ]
}

# Each STATION defines a set of RULES to validate the RESULTS
# 
# StationUnitValidator
# UnitValidator
# StationValidator
# 
# How do all these tie together?
# Form
# Fields
# Input headers
# Station results
# Instruction
# Units
# Rules