Integrated: webrev: add logging

[Erik Helin]

On Thu, 18 Jun 2020 12:04:58 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this small patch that add some additional logging to `Webrev` and dereferences `Optional`s a bit more
> carefully in `ModifiedFileView`.
> Testing:
> - [x] `make test` passes on Linux x64
> 
> Thanks,
> Erik

This pull request has now been integrated.

Changeset: 9f5bf30e
Author:    Erik Helin <ehelin at openjdk.org>
URL:       https://git.openjdk.java.net/skara/commit/9f5bf30e
Stats:     32 lines in 3 files changed: 0 ins; 15 del; 17 mod

webrev: add logging

Reviewed-by: jvernee

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PR: https://git.openjdk.java.net/skara/pull/674