Initial implementation of URISchemeRegistry (fixed overload bug in process). Also, add extra notes to some of the unit tests.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@210 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/URIScheme/http.php

@@ -0,0 +1,13 @@
+<?php
+
+require_once 'HTMLPurifier/URIScheme.php';
+
+class HTMLPurifier_URIScheme_http extends HTMLPurifier_URIScheme {
+    
+    function validateComponents($authority, $path, $query, $fragment) {
+        
+    }
+    
+}
+
+?>