implementing permission roles

- copy permissions (adding groups)
- copy permissions (adding forums)
- checking proper groupadd/del settings
- added intro page to permissions (to give an overview and quick links)
- able to select forums + subforums, single forum, all groups, all users (permission screens)
- able to reset permissions (only reset input field)
- fix forum deletion bug


git-svn-id: file:///svn/phpbb/trunk@5574 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/includes/message_parser.php

@@ -1063,6 +1063,10 @@ class parse_message extends bbcode_firstpass
 				}
 				else
 				{
+					if (!function_exists('delete_attachments'))
+					{
+						include_once($phpbb_root_path . 'includes/functions_admin.' . $phpEx);
+					}
 					delete_attachments('attach', array(intval($this->attachment_data[$index]['attach_id'])));
 				}