[Integrated] RFR: 236: Add links to issue in generated webrevs

[Erik Helin]

Changeset: d2060299
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2020-01-21 13:01:44 +0000
URL:       https://git.openjdk.java.net/skara/commit/d2060299

236: Add links to issue in generated webrevs

Reviewed-by: rwestberg

! bots/mlbridge/src/main/java/org/openjdk/skara/bots/mlbridge/WebrevStorage.java