MDL-14679 license header fixes

lib/dtl/string_xml_database_importer.php

@@ -1,4 +1,29 @@
-<?php  //$Id$
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+
+/**
+ * XML format importer class from memory storage
+ *
+ * @package    moodlecore
+ * @subpackage DTL
+ * @copyright  2008 Andrei Bautu
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
 
 /**
  * XML format importer class from memory storage (i.e. string).