[3.1.0] The bulk of autoload support added

- Add FSTools:globr()
- require_once removed from all files
- HTMLPurifier.autoload.php added to register autoload handler
- Removed redundant chdir in maintenance script
- Modified standalone to use HTMLPurifier.includes.php for including stuff
- Added maintenance script remove-require-once.php which we used once and should never use again

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1516 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/EntityParser.php

@@ -1,8 +1,5 @@
 <?php
 
-require_once 'HTMLPurifier/EntityLookup.php';
-require_once 'HTMLPurifier/Encoder.php';
-
 // if want to implement error collecting here, we'll need to use some sort
 // of global data (probably trigger_error) because it's impossible to pass
 // $config or $context to the callback functions.