forum MDL-21086 cleaned up boilderplates and php doc packages

mod/forum/discuss.php

@@ -1,7 +1,28 @@
 <?php
 
-//  Displays a post, and all the posts below it.
-//  If no post is given, displays all posts in a discussion
+// 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/>.
+
+/**
+ * Displays a post, and all the posts below it.
+ * If no post is given, displays all posts in a discussion
+ *
+ * @package mod-forum
+ * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
 
     require_once('../../config.php');