code: function loadConfig(filename) {
    //Does our consumer have a valid .mitto?
    var mittoObject = _loadMitto();
    //Is it in a valid format?
    mittoObject = _validateMitto(mittoObject);
  
    //Does our consumer's consumer have a config of 'filename'?
    var configObject = _findFile(filename);
    //Is it in a valid format as prescribed by our consumer's .mitto?
    return _validateConfig(configObject, mittoObject);
  }
docs: Find JSON configuration given a filename
  Applies .mitto constraints if your package has a .mitto package present
  @return {json converted to Object}