Fix contracts.

app/User.php

@@ -2,11 +2,11 @@
 
 use Eloquent;
 use Illuminate\Auth\UserTrait;
-use Illuminate\Auth\UserInterface;
 use Illuminate\Auth\Reminders\RemindableTrait;
-use Illuminate\Auth\Reminders\RemindableInterface;
+use Illuminate\Contracts\Auth\User as UserContract;
+use Illuminate\Contracts\Auth\Remindable as RemindableContract;
 
-class User extends Eloquent implements UserInterface, RemindableInterface {
+class User extends Eloquent implements UserContract, RemindableContract {
 
 	use UserTrait, RemindableTrait;