Replace groupService's outdated member tracker with deviceService.trackGroup().

lib/roles/app.js

@@ -114,15 +114,17 @@ module.exports = function(options) {
   })
 
   app.get('/api/v1/group', function(req, res) {
-    dbapi.loadGroupMembers(req.user.email)
+    dbapi.loadGroup(req.user.email)
       .then(function(cursor) {
         return Promise.promisify(cursor.toArray, cursor)()
           .then(function(list) {
+            list.forEach(function(device) {
+              datautil.applyData(device)
+              datautil.applyOwner(device, req.user)
+            })
             res.json({
               success: true
-            , group: {
-                members: list
-              }
+            , devices: list
             })
           })
       })