Change cc to bcc in config file

git-svn-id: https://textgridlab.org/svn/textgrid/trunk/middleware/tgauth@13766 7c539038-3410-0410-b1ec-0f2a7bf1c452

info.textgrid.middleware.tgauth.tgaccount/install/tgaccount.ini.tmpl

@@ -12,7 +12,7 @@ port = 389
 tls = true
 
 [mail]
-cc = textgrid-register@gwdg.de
+bcc = textgrid-register@gwdg.de
 reply = textgrid-register@gwdg.de
 sender = no-reply@textgridlab.org
 smtpEhlo = localhost