fix use app.use(router) to add sub router

server/boot/fieldGuide.js

@@ -4,7 +4,7 @@ var R = require('ramda'),
     resources = require('../resources/resources');
 
 module.exports = function(app) {
-  var router = app.Router();
+  var router = app.loopback.Router();
   var FieldGuide = app.models.FieldGuide;
 
   router.get('/field-guide/all-articles', showAllFieldGuides);
@@ -12,6 +12,8 @@ module.exports = function(app) {
   router.get('/field-guide/', returnNextFieldGuide);
   router.post('/completed-field-guide/', completedFieldGuide);
 
+  app.use(router);
+
   function returnIndividualFieldGuide(req, res, next) {
     var dashedName = req.params.fieldGuideName;
     if (req.user) {