Add upstream plugins

Signed-off-by: Adrian Nöthlich <git@promasu.tech>

wp-content/plugins/all-in-one-event-calendar/lib/html/element/setting-renderer.php

@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * Missing class setting-renderer description.
+ *
+ * @author     Time.ly Network Inc.
+ * @since      2.2
+ *
+ * @package    AI1EC
+ * @subpackage AI1EC.
+ */
+
+class Ai1ec_Html_Setting_Renderer extends Ai1ec_Base {
+
+    /**
+     * Renders single setting.
+     *
+     * @param array $setting Setting structure.
+     *
+     * @return string Rendered content.
+     *
+     * @throws Ai1ec_Bootstrap_Exception
+     */
+    public function render( array $setting ) {
+        $renderer_name = $setting['renderer']['class'];
+        $renderer      = null;
+        try {
+            $renderer = $this->_registry->get(
+                'html.element.setting.' . $renderer_name,
+                $setting
+            );
+        } catch ( Ai1ec_Bootstrap_Exception $exception ) {
+            $renderer = $this->_registry->get(
+                'html.element.setting.input',
+                $setting
+            );
+        }
+
+        return $renderer->render();
+    }
+}