RFR: bots: add census bot [v2]

[Robin Westberg]

On Sat, 5 Sep 2020 11:47:48 GMT, Erik Helin <ehelin at openjdk.org> wrote:

>> HI all,
>> 
>> please review this patch that adds a census syncing bot.
>> 
>> Thanks,
>> Erik
>
> Erik Helin has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Nicer conf

Looks good!

-------------

Marked as reviewed by rwestberg (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/796