code: def run_validators(new_data, old_data):
      
      #{'validator_name': (success, score, message)}
      validation_data = {}
      for file_type, lint_data in list(new_data.items()):
          #TODO: What to do if old data doesn't have this filetype?
          old_lint_data = old_data.get(file_type, {})
          validator = ValidatorFactory.get_validator(file_type)
          if validator is not None:
              validation_data[validator.name] = validator.run(lint_data, old_lint_data)
      return validation_data
docs: Run through all matching validators.
  
      :param new_data: New lint data.
      :param old_data: Old lint data (before review)
      :return: