[3.1.0] Landed modified patch by Braden Anderson for %CSS.AllowedProperties

- Fix broken ConfigSchema build, as well as broken aliases
- Remove another advisory property from runtime ConfigSchema classes
- Reorder flush script to more accurately reflect dependencies
- Remove some aliases from unit tests

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1635 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/ConfigSchema.php

@@ -118,7 +118,6 @@ class HTMLPurifier_ConfigSchema {
      */
     public function addAlias($namespace, $name, $new_namespace, $new_name) {
         $this->info[$namespace][$name] = new HTMLPurifier_ConfigDef_DirectiveAlias($new_namespace, $new_name);
-        $this->info[$new_namespace][$new_name]->directiveAliases[] = "$namespace.$name";
     }
     
     // DEPRECATED METHODS