[Integrated] RFR: Use quoting to direct comment threading

[Robin Westberg]

Changeset: eb543319
Author:    Robin Westberg <rwestberg at openjdk.org>
Date:      2020-03-05 08:19:54 +0000
URL:       https://git.openjdk.java.net/skara/commit/eb543319

Use quoting to direct comment threading

Reviewed-by: ehelin

! bots/mlbridge/src/main/java/org/openjdk/skara/bots/mlbridge/ArchiveItem.java
! bots/mlbridge/src/main/java/org/openjdk/skara/bots/mlbridge/ReviewArchive.java
! bots/mlbridge/src/test/java/org/openjdk/skara/bots/mlbridge/MailingListBridgeBotTests.java