[Integrated] RFR: 316: git-webrev does not work without origin remote

[Erik Helin]

Changeset: 42caec11
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2020-03-19 08:32:35 +0000
URL:       https://git.openjdk.java.net/skara/commit/42caec11

316: git-webrev does not work without origin remote

Reviewed-by: rwestberg

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