code: function loadFormatters(){
      var arrFiles = glob.sync('./formatters/*.js', {
          'cwd': __dirname,
          'dot': false,
          'nodir': true,
          'strict': false,
          'silent': true
      });
      var mapFormatters = {};
      arrFiles.forEach(function(file){
          var fileInfo = path.parse(file);
          var formatterPath = path.resolve(__dirname, file);
          mapFormatters[fileInfo.name] = require(formatterPath);
      });
      return mapFormatters;
  }
docs: load all formatters