Composer UserCorePageProperty Bug fix

Argument 1 passed to Concrete\Core\Page\Type\Composer\Control\CorePageProperty\UserCorePageProperty::publishToPage() must be an instance of Concrete\Core\Page\Type\Composer\Control\CorePageProperty\Page, instance of Concrete\Core\Page\Page given, called in /var/www/clients/planitagency.com/dev3_html/concrete/src/Page/Type/Type.php on line 877 and defined

http://screencast.com/t/RwLUbBWi