changes the file extension to php and adds a small one-liner to stop PHP from presenting the file to any website visitor

Signed-off-by: El RIDO <elrido@gmx.net>

tst/JsonApiTest.php

@@ -282,7 +282,7 @@ class JsonApiTest extends PHPUnit_Framework_TestCase
         $this->reset();
         $paste = Helper::getPasteWithAttachment();
         $this->_model->create(Helper::getPasteId(), $paste);
-        $_GET['jsonld'] = '../cfg/conf.ini';
+        $_GET['jsonld'] = CONF;
         ob_start();
         new PrivateBin;
         $content = ob_get_contents();