Add upstream plugins

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

wp-content/plugins/all-in-one-event-calendar/lib/p28n/i18n.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * Internationalization layer.
+ *
+ * @author     Time.ly Network, Inc.
+ * @since      2.0
+ * @package    Ai1EC
+ * @subpackage Ai1EC.P28n
+ */
+class Ai1ec_I18n {
+
+    /**
+     * Translates string. Wrapper for WordPress `__()` function.
+     *
+     * @param string $term Message to translate.
+     *
+     * @return string Translated string representation.
+     */
+    static public function __( $term ) {
+        return __( $term, AI1EC_PLUGIN_NAME );
+    }
+
+    /**
+     * Translates string in context. Wrapper for WordPress `_x()` function.
+     *
+     * @param string $term Message to translate.
+     * @param string $ctxt Translation context for message.
+     *
+     * @return string Translated string representation.
+     */
+    static public function _x( $term, $ctxt ) {
+        return _x( $term, $ctxt, AI1EC_PLUGIN_NAME );
+    }
+
+}