Prepare branch to dev v15

htdocs/filefunc.inc.php

@@ -34,7 +34,7 @@ if (!defined('DOL_APPLICATION_TITLE')) {
 	define('DOL_APPLICATION_TITLE', 'Dolibarr');
 }
 if (!defined('DOL_VERSION')) {
-	define('DOL_VERSION', '14.0.0-beta'); // a.b.c-alpha, a.b.c-beta, a.b.c-rcX or a.b.c
+	define('DOL_VERSION', '15.0.0-alpha'); // a.b.c-alpha, a.b.c-beta, a.b.c-rcX or a.b.c
 }
 
 if (!defined('EURO')) {