Add upstream plugins

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

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

@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * Renderer of settings page custom option.
+ *
+ * @author       Time.ly Network, Inc.
+ * @instantiator new
+ * @since        2.4
+ * @package      Ai1EC
+ * @subpackage   Ai1EC.Html
+ */
+class Ai1ec_Html_Setting_Custom extends Ai1ec_Html_Element_Settings {
+
+    /* (non-PHPdoc)
+     * @see Ai1ec_Html_Element_Settings::render()
+     */
+    public function render( $output = '', $wrap = true, $hidden = false ) {
+        $label   = $this->_args['renderer']['label'];
+        $content = $this->_args['renderer']['content'];
+        $loader  = $this->_registry->get( 'theme.loader' );
+        $file    = $loader->get_file( 'setting/custom.twig', array(
+            'label'   => $label,
+            'content' => $content
+        ), true );
+        return parent::render( $file->get_content(), $wrap, $hidden );
+    }
+
+}