RFR: pr: hint about two reviewers for some labels [v2]

[Erik Helin]

> Hi all,
> 
> please review this patch that makes it possible to configure per repository whether certain labels should cause a hint
> in the integration message about two reviewers to be displayed.
> Testing:
> - [x] Added a new unit test
> - [x] `make test` passes on Linux x64
> 
> Thanks,
> Erik

Erik Helin has updated the pull request with a new target base due to a merge or a rebase. The pull request now
contains two commits:

 - Merge master
 - pr: hint about two reviewers for some labels

-------------

Changes: https://git.openjdk.java.net/skara/pull/844/files
 Webrev: https://webrevs.openjdk.java.net/?repo=skara&pr=844&range=01
  Stats: 86 lines in 5 files changed: 81 ins; 0 del; 5 mod
  Patch: https://git.openjdk.java.net/skara/pull/844.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/844/head:pull/844

PR: https://git.openjdk.java.net/skara/pull/844