MDL-22388 Added some checks to kill these scripts dead with an unequivocal notice unless included properly from a Moodle script.

notes/edit_form.php

@@ -1,5 +1,9 @@
 <?php  // $Id$
 
+if (!defined('MOODLE_INTERNAL')) {
+    die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
+}
+
 require_once($CFG->libdir.'/formslib.php');
 
 class note_edit_form extends moodleform {
@@ -31,4 +35,4 @@ class note_edit_form extends moodleform {
         $mform->setType('id', PARAM_INT);
     }
 }
-?>
+?>