Issue 405: tracker: add "captcha" field to user registration

Submitted on 2011-07-25 16h02 by ahuillet, last changed by ahuillet.

Messages
Author: ahuillet	Date: 2011-07-25 16h02
Let's be proactive and prevent spam before it happens.
Author: ahuillet	Date: 2013-01-10 15h53
Demoting to minor as we have had no evidence of spam.

History
Date	User	Action	Args
2017-02-02 14:35:09	ahuillet	set	status: open -> rejected
2013-01-10 15:53:20	ahuillet	set	priority: important -> minor messages: + msg2396
2011-07-25 16:02:29	ahuillet	create

Issue405