Add upstream plugins

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

wp-content/plugins/all-in-one-event-calendar/app/model/app.php

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * Base application model.
+ *
+ * @author     Time.ly Network, Inc.
+ * @since      2.0
+ * @package    Ai1EC
+ * @subpackage Ai1EC.Model
+ */
+class Ai1ec_App extends Ai1ec_Base {
+
+    /**
+     * Initiate base objects.
+     *
+     * @param Ai1ec_Registry_Object $registry
+     * @internal param \Ai1ec_Registry_Object $system Injectable system object.
+     */
+    public function __construct( Ai1ec_Registry_Object $registry ) {
+        parent::__construct( $registry );
+        $this->_initialize();
+    }
+
+    /**
+     * Post construction routine.
+     *
+     * Override this method to perform post-construction tasks.
+     *
+     * @return void Return from this method is ignored.
+     */
+    protected function _initialize() {}
+
+
+}