RFR: Allow disabling bidirectional mailing list syncing per repo

[Erik Helin]

On Wed, 1 Apr 2020 15:13:42 GMT, Robin Westberg <rwestberg at openjdk.org> wrote:

> Hi all,
> 
> Please review this small change that allows disabling bidirectional mailing list syncing per repository.
> 
> Best regards,
> Robin

Looks good!

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Marked as reviewed by ehelin (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/558