fix password page

vispa/controller/root.py

@@ -247,7 +247,8 @@ class RootController(AbstractController):
         data = {
             "welcome_phrase": vispa.config("web", "text.welcome", ""),
             "username": None if not isinstance(user, User) else user.name,
-            "hash": hash
+            "hash": hash,
+            "cache_bust"      : self.cache_bust
         }
         return data