Add upstream plugins

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

wp-content/plugins/all-in-one-event-calendar/app/view/admin/nav.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * Admin-side navigation elements rendering.
+ *
+ * @author       Time.ly Network, Inc.
+ * @since        2.0
+ * @package      Ai1EC
+ * @subpackage   Ai1EC.View
+ */
+class Ai1ec_View_Admin_Navigation extends Ai1ec_Base {
+
+    /**
+     * Adds a link to Settings page in plugin list page.
+     *
+     * @param  array $links List of available links.
+     *
+     * @return array Modified links list.
+     */
+    public function plugin_action_links( $links ) {
+        $settings_link = sprintf(
+            Ai1ec_I18n::__( '<a href="%s">Settings</a>' ),
+            ai1ec_admin_url( AI1EC_SETTINGS_BASE_URL )
+        );
+        array_unshift( $links, $settings_link );
+        if ( current_user_can( 'activate_plugins' ) ) {
+            $updates_link = sprintf(
+                Ai1ec_I18n::__( '<a href="%s">Check for updates</a>' ),
+                ai1ec_admin_url( AI1EC_FORCE_UPDATES_URL )
+            );
+            array_push( $links, $updates_link );
+        }
+        return $links;
+    }
+
+}