allow underscore in ALIAS name (Fixes: #3866)

Florian Schaal

2016-04-30 8beb039f0b7d23b03f7963c3a56c8dde65af3b6b

 install/tpl/config.inc.php.master

@@ -56,7 +56,7 @@

//** Application
define('ISPC_APP_TITLE', 'ISPConfig');
define('ISPC_APP_VERSION', '3.1dev');
define('ISPC_APP_VERSION', '3.1b1');
define('DEVSYSTEM', 0);