RFR: Ensure that the notifier looks at both open and closed PRs

[Robin Westberg]

Hi all,

Please review this small change that ensures that the notifier looks at both open and closed PRs, similar to how the
mailing list bridge works.

Best regards,
Robin

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

Commit messages:
 - Ensure that the notifier looks at both open and closed PRs

Changes: https://git.openjdk.java.net/skara/pull/659/files
 Webrev: https://webrevs.openjdk.java.net/skara/659/webrev.00
  Stats: 18 lines in 2 files changed: 16 ins; 1 del; 1 mod
  Patch: https://git.openjdk.java.net/skara/pull/659.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/659/head:pull/659

PR: https://git.openjdk.java.net/skara/pull/659