[Integrated] RFR: 320: Add "git skara version" command

[Erik Helin]

Changeset: 19f319e7
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2020-03-19 13:36:47 +0000
URL:       https://git.openjdk.java.net/skara/commit/19f319e7

320: Add "git skara version" command

Reviewed-by: rwestberg

! cli/src/main/java/org/openjdk/skara/cli/GitSkara.java