Little config improvements

config/main.inc.php.dist

@@ -173,7 +173,7 @@ $rcmail_config['date_long'] = 'd.m.Y H:i';
 $rcmail_config['date_today'] = 'H:i';
 
 // add this user-agent to message headers when sending
-$rcmail_config['useragent'] = 'RoundCube Webmail/0.3-beta';
+$rcmail_config['useragent'] = 'RoundCube Webmail/'.RCMAIL_VERSION;
 
 // use this name to compose page titles
 $rcmail_config['product_name'] = 'RoundCube Webmail';

config/mimetypes.php

@@ -41,6 +41,7 @@ return array(
   'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
   'xps' => 'application/vnd.ms-xpsdocument',
   'rar' => 'application/x-rar-compressed',
+  'vcf' => 'text/vcard',
 );
 
 ?>