auth bug fixes

src/controllers/auth.js

@@ -1,5 +1,9 @@
-var passport = require('passport');
 var _ = require('lodash');
+var validator = require('validator');
+var check = validator.check;
+var sanitize = validator.sanitize;
+var passport = require('passport');
+var helpers = require('habitrpg-shared/script/helpers');
 var async = require('async');
 var derbyAuthUtil = require('derby-auth/utils');
 var User = require('../models/user').model;