[2.1.0] Optimize ConfigSchema to only perform safety checks when HTMLPURIFIER_SCHEMA_STRICT is true

- Remove useless ->revision check in Config.php
- Add simple trace file to benchmarks folder

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1319 48356398-32a2-884e-a903-53898d9a118a

configdoc/generate.php

@@ -18,6 +18,8 @@ TODO:
 if (version_compare('5', PHP_VERSION, '>')) exit('Requires PHP 5 or higher.');
 error_reporting(E_ALL); // probably not possible to use E_STRICT
 
+define('HTMLPURIFIER_SCHEMA_STRICT', true); // description data needs to be collected
+
 // load dual-libraries
 require_once '../library/HTMLPurifier.auto.php';
 require_once 'library/ConfigDoc.auto.php';