<p>A lot of users are complaining about the database upgrade (that it can only be done on a clean install).</p><p>Seb wants to see if it can be added to DeployTool so the user has the option to upgrade (at own risk!).</p><p>So for testing this branch.</p><p>You need to have MySQL 5.1 installed by older MP install.</p><p>Install with this installer (link in comment section)</p><p>Select Upgrade and MySQL page should ask if you want to perform an upgrade.</p><p>That's all :)</p>