(2/2) advanced build. implement a daemon that will build static pages.

implement a queue and a lock. fix notice in bans. and it even works!

the daemon is basic right now, it could work in a mode that it will defer building certain
pages until a certain time.

smart_build.php

@@ -24,7 +24,7 @@ if (!$route) {
 }
 else {
   list ($fun, $args) = $route;
-  $reached = call_user_func_array($route);
+  $reached = call_user_func_array($fun, $args);
 }
 
 function die_404() { global $config;