[Mailman-checkins] [Branch ~mailman-coders/mailman/2.1] Rev 1815: Implement Ralf Jung's captcha feature for the subscribe form.

Merge authors: Ralf Jung Related merge proposals: https://code.launchpad.net/~ralfjung-e/mailman/2.1/+merge/368614 proposed by: Ralf Jung (ralfjung-e) review: Approve - Mark Sapiro (msapiro) revno: 1815 [merge] fixes bug: https:/

[Mailman-checkins] [Branch ~mailman-coders/mailman/2.1] Rev 1815: Implement Ralf Jung's captcha feature for the subscribe form.

Merge authors: Ralf Jung Related merge proposals: https://code.launchpad.net/~ralfjung-e/mailman/2.1/+merge/368614 proposed by: Ralf Jung (ralfjung-e) revno: 1815 [merge] committer: Mark Sapiro branch nick: 2.1 timestamp: Wed 2019