[Integrated] RFR: Add toString methods to all WorkItems

[Erik Helin]

Changeset: feb2fcc0
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2020-02-06 11:05:01 +0000
URL:       https://git.openjdk.java.net/skara/commit/feb2fcc0

Add toString methods to all WorkItems

Reviewed-by: rwestberg

! bots/bridgekeeper/src/main/java/org/openjdk/skara/bots/bridgekeeper/PullRequestCloserBot.java
! bots/bridgekeeper/src/main/java/org/openjdk/skara/bots/bridgekeeper/PullRequestPrunerBot.java
! bots/csr/src/main/java/org/openjdk/skara/bots/csr/CSRBot.java
! bots/mirror/src/main/java/org/openjdk/skara/bots/mirror/MirrorBot.java
! bots/mlbridge/src/main/java/org/openjdk/skara/bots/mlbridge/CommentPosterWorkItem.java
! bots/notify/src/main/java/org/openjdk/skara/bots/notify/RepositoryWorkItem.java
! bots/pr/src/main/java/org/openjdk/skara/bots/pr/CommandWorkItem.java
! bots/topological/src/main/java/org/openjdk/skara/bots/topological/TopologicalBot.java