switch to _.defaultTo since it's more descriptive

routes/v1.js

@@ -88,11 +88,11 @@ const PlaceHolder = require('../service/configurations/PlaceHolder');
 function addRoutes(app, peliasConfig) {
   const esclient = elasticsearch.Client(peliasConfig.esclient);
 
-  const pipConfiguration = new PointInPolygon(peliasConfig.api.services.pip);
+  const pipConfiguration = new PointInPolygon(_.defaultTo(peliasConfig.api.services.pip, {}));
   const pipService = serviceWrapper(pipConfiguration);
   const isPipServiceEnabled = _.constant(pipConfiguration.isEnabled());
 
-  const placeholderConfiguration = new PlaceHolder(_.get(peliasConfig.api.services, 'placeholder', {}));
+  const placeholderConfiguration = new PlaceHolder(_.defaultTo(peliasConfig.api.services.placeholder, {}));
   const placeholderService = serviceWrapper(placeholderConfiguration);
   const isPlaceholderServiceEnabled = _.constant(placeholderConfiguration.isEnabled());