cache built posts' HTML with memcached

inc/config.php

@@ -56,6 +56,8 @@
 	// Experimental: cache entire thread HTML (for mods, since we already cache it with static HTML anyway)
 	// Increases load times for mods but might take up a bit of memory
 	$config['memcached']['cache_threads'] = false;
+	// Timeout for cached objects such as posts and HTML
+	$config['memcached']['timeout'] = 86400; // one day
 	
 	// The name of the session cookie (PHP's $_SESSION)
 	$config['cookies']['session']= 'imgboard';