FYI: merge-bot: provide default values in conf

[Robin Westberg]

On Mon, 27 Apr 2020 13:17:48 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this small patch that makes `MergeBotFactory` provide default
> values for specification fields in the configures.
> 
> Testing:
> - `make test` passes on Linux x64
> 
> Thanks,
> Erik

Looks good, perhaps a little unit test would have been nice too, but can do that later. :)

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Marked as reviewed by rwestberg (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/606