Fix not set login and reauth message categories

flaskbb/app.py

@@ -128,6 +128,9 @@ def configure_extensions(app):
     # Flask-Login
     login_manager.login_view = app.config["LOGIN_VIEW"]
     login_manager.refresh_view = app.config["REAUTH_VIEW"]
+    login_manager.login_message_category = app.config["LOGIN_MESSAGE_CATEGORY"]
+    login_manager.needs_refresh_message_category = \
+        app.config["REFRESH_MESSAGE_CATEGORY"]
     login_manager.anonymous_user = Guest
 
     @login_manager.user_loader

flaskbb/configs/default.py

@@ -61,7 +61,8 @@ class DefaultConfig(object):
     # Auth
     LOGIN_VIEW = "auth.login"
     REAUTH_VIEW = "auth.reauth"
-    LOGIN_MESSAGE_CATEGORY = "error"
+    LOGIN_MESSAGE_CATEGORY = "info"
+    REFRESH_MESSAGE_CATEGORY = "info"
 
     # Caching
     CACHE_TYPE = "simple"