Small model update for tags and users

- tags are now created with uuid & timestamps
- user role is no longer a model, just a join done with attach

core/server/models/tag.js

@@ -1,11 +1,20 @@
 var Tag,
     Tags,
+    uuid = require('node-uuid'),
     Posts = require('./post').Posts,
     GhostBookshelf = require('./base');
 
 Tag = GhostBookshelf.Model.extend({
     tableName: 'tags',
 
+    hasTimestamps: true,
+
+    defaults: function () {
+        return {
+            uuid: uuid.v4()
+        };
+    },
+
     posts: function () {
         return this.belongsToMany(Posts);
     }

core/server/models/user.js

@@ -1,7 +1,5 @@
 var User,
     Users,
-    UserRole,
-// UserRoles,
     _ = require('underscore'),
     uuid = require('node-uuid'),
     when = require('when'),
@@ -13,10 +11,6 @@ var User,
     Role = require('./role').Role,
     Permission = require('./permission').Permission;
 
-UserRole = GhostBookshelf.Model.extend({
-    tableName: 'roles_users'
-});
-
 
 function validatePasswordLength(password) {
     try {
@@ -145,7 +139,7 @@ User = GhostBookshelf.Model.extend({
             // Assign the userData to our created user so we can pass it back
             userData = addedUser;
             // Add this user to the admin role (assumes admin = role_id: 1)
-            return UserRole.add({role_id: 1, user_id: addedUser.id});
+            return userData.roles().attach(1);
         }).then(function (addedUserRole) {
             // Return the added user as expected