code: function (config) {
      return _.map(config.features, function(featureDef) {
        var feature = null
          , featurePath = null;
  
        var featureId = featureDef.$featureId || featureDef.feature;
  
        // Try to require the feature from each path listed in `config.featurePaths`.
        for (var i = 0; i < config.featurePaths.length; ++i) {
          featurePath = path.join(config.featurePaths[i], featureDef.feature);
          if (fs.existsSync(featurePath) || fs.existsSync(featurePath + '.js')) {
            feature = require(featurePath);
            break;
          }
        }
  
        if (!feature) {
          var errorMsg =
            'Cannot find feature: ' + util.inspect(featureDef.feature) +
            ' from featurePaths: ' + util.inspect(config.featurePaths);
          throw new Error(errorMsg);
        }
  
        var featureTasks = _.get(feature, 'tasks', []);
  
        return {
          featureId: featureId,
          featureDef: featureDef,
          featureConstructor : feature,
          tasks: featureTasks
        };
      });
    }
docs: Load features of configuration to get plugin tasks etc.