In
http://tracker.in-portal.org/view.php?id=0001118 (5.2.0-B1) task we've added nice message, that is shown on configuration page when all settings were successfully saved.
However after using it a bit on my projects I've discovered, that message is shown if at least one of system settings, displayed on a page, was saved successfully.
Also on "Configuration -> Website -> Advanced" page, which is quite long, it's hard to see error in a setting value is is at the bottom of a page.
I'm proposing to: