MDL-24090 fixed package info and added proper dates and authors in class copyrights

lib/upgradelib.php

@@ -36,9 +36,9 @@ define('UPGRADE_LOG_ERROR',  2);
 /**
  * Exception indicating unknown error during upgrade.
  *
- * @package    moodlecore
+ * @package    core
  * @subpackage upgrade
- * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
+ * @copyright  2009 Petr Skoda {@link http://skodak.org}
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class upgrade_exception extends moodle_exception {
@@ -52,9 +52,9 @@ class upgrade_exception extends moodle_exception {
 /**
  * Exception indicating downgrade error during upgrade.
  *
- * @package    moodlecore
+ * @package    core
  * @subpackage upgrade
- * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
+ * @copyright  2009 Petr Skoda {@link http://skodak.org}
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class downgrade_exception extends moodle_exception {
@@ -67,9 +67,9 @@ class downgrade_exception extends moodle_exception {
 }
 
 /**
- * @package    moodlecore
+ * @package    core
  * @subpackage upgrade
- * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
+ * @copyright  2009 Petr Skoda {@link http://skodak.org}
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class upgrade_requires_exception extends moodle_exception {
@@ -85,9 +85,9 @@ class upgrade_requires_exception extends moodle_exception {
 }
 
 /**
- * @package    moodlecore
+ * @package    core
  * @subpackage upgrade
- * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
+ * @copyright  2009 Petr Skoda {@link http://skodak.org}
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class plugin_defective_exception extends moodle_exception {