Integrated: git-webrev: add --json flag

[Erik Helin]

On Sat, 15 Aug 2020 10:49:14 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this patch that adds the `--json` flag to `git-webrev`. The `--json` flag is not meant to be used by a
> humans, it generates a JSON version of a "webrev" that tools can consume (in comparison to HTML that is usually
> generated).  Testing:
> - [x] Manual testing on Linux x64
> 
> Thanks,
> Erik

This pull request has now been integrated.

Changeset: 6422bf89
Author:    Erik Helin <ehelin at openjdk.org>
URL:       https://git.openjdk.java.net/skara/commit/6422bf89
Stats:     283 lines in 6 files changed: 5 ins; 252 del; 26 mod

git-webrev: add --json flag

Reviewed-by: rwestberg

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PR: https://git.openjdk.java.net/skara/pull/717