Template Engine and props to Renderer

move methods and props from App to Renderer

view/theme/duepuntozero/theme.php

@@ -3,10 +3,11 @@
 use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
+use Friendica\Core\Renderer;
 
 function duepuntozero_init(App $a) {
 
-$a->setActiveTemplateEngine('smarty3');
+Renderer::setActiveTemplateEngine('smarty3');
 
     $colorset = PConfig::get( local_user(), 'duepuntozero','colorset');
     if (!$colorset)