Table inconsistencies between fresh install and upgrade path:
(In ) fixes #894, refs #666 - fix problems and inconsistencies between fresh install and upgrade path
Only the utf8 side-effects of converting of TEXT columns to MEDIUMTEXT columns was unchanged.
(In ) refs #894 - a little refactoring
(In ) refs #894 - fix broken Updater.test.php
(In ) refs #894 - generate friendly error message if configuration file exists but points to an empty database
(In ) refs #894 - update comments
(In ) refs #894 - updates for third party plugins