- Added new protected method getPostJSON to FHC_Controller to get POSTed JSON

- application/controllers/components/Filter.php now makes use of getPostJSON from the FHC_Controller
- RESTClient now POST a JSON request
- public/js/components/filter/Filter.js improvements

application/libraries/SearchBarLib.php

@@ -1,4 +1,20 @@
 <?php
+/**
+ * Copyright (C) 2022 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 
 if (! defined('BASEPATH')) exit('No direct script access allowed');