Add upstream plugins

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

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

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * Indicates a failure that happens during event save operation.
+ *
+ * @author     Time.ly Network Inc.
+ * @since      2.1
+ *
+ * @package    AI1EC
+ * @subpackage AI1EC.Model
+ */
+class Ai1ec_Event_Create_Exception extends Exception {
+
+}