git: openjdk/skara: Adjust collapsing of multiple emails

[duke]

Changeset: 80d1e6a1
Author:    Robin Westberg <rwestberg at openjdk.org>
Date:      2019-09-12 11:59:26 +0000
URL:       https://github.com/openjdk/skara/commit/80d1e6a1

Adjust collapsing of multiple emails

Reviewed-by: ehelin

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