Added some user/view helper methods

app/User.php

@@ -33,6 +33,17 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
      */
     protected $hidden = ['password', 'remember_token'];
 
+    /**
+     * Returns a default guest user.
+     */
+    public static function getDefault()
+    {
+        return new static([
+            'email' => 'guest',
+            'name' => 'Guest'
+        ]);
+    }
+
     /**
      * Returns the user's avatar,
      * Uses Gravatar as the avatar service.