__construct'ify all main library classes.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1459 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/AttrDef/CSS/Composite.php

@@ -21,7 +21,7 @@ class HTMLPurifier_AttrDef_CSS_Composite extends HTMLPurifier_AttrDef
     /**
      * @param $defs List of HTMLPurifier_AttrDef objects
      */
-    public function HTMLPurifier_AttrDef_CSS_Composite($defs) {
+    public function __construct($defs) {
         $this->defs = $defs;
     }