- Added cache to settings which increased performance by .02 seconds per

page.
 - Added user cache which increased performance by more than .1 seconds per
   page.
 - Added some new indicies to make asset queries .01 to .1 seconds faster per query.
 - fix [ 1274488 ] Visitors language not recognized 6.7.2

sbin/preload.perl

@@ -101,6 +101,7 @@ use WebGUI::Operation ();
 use WebGUI::Paginator ();
 use WebGUI::Privilege ();
 use WebGUI::Session ();
+use WebGUI::Setting ();
 use WebGUI::SQL ();
 use WebGUI::Storage ();
 use WebGUI::Style ();