Translations:Release notes 014/70/en

The Draft Upgrade and Draft Downgrade tools, before hermetic pieces of magic, from which you were never too sure what the result would be, have been recoded, and now output much friendlier messages, informing you what has been done and why. They are now also available to python scripting, not only as a whole, but also their internal operations, so you can precisely order a certain upgrade type to be performed.