MAPG-185 rename migrate database command

mapg

@@ -5,7 +5,7 @@ require 'main.php';
 
 $app = new Symfony\Component\Console\Application('MapGuesser Console', '');
 
-$app->add(new MapGuesser\Cli\DatabaseMigration());
+$app->add(new MapGuesser\Cli\MigrateDatabaseCommand());
 $app->add(new MapGuesser\Cli\AddUserCommand());
 $app->add(new MapGuesser\Cli\LinkViewCommand());
 $app->add(new \MapGuesser\Cli\MaintainDatabaseCommand());