RFR: 182: Implement a cooldown period when bridging pull request comments to mailing lists

[Robin Westberg]

Hi all,

Please review this change that implements waiting for a configured period of time before bridging PR comments to mailing lists. It also contains a refactoring to construct the mailing list bridge bot with a builder.

Best regards,
Robin

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Commits:
 - 4827aa4b: Implement the time-base filtering
 - 3b55cf70: Refactor MailingListBridgeBot construction

Changes: https://git.openjdk.java.net/skara/pull/386/files
 Webrev: https://webrevs.openjdk.java.net/skara/386/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-182
  Stats: 601 lines in 8 files changed: 370 ins; 29 del; 202 mod
  Patch: https://git.openjdk.java.net/skara/pull/386.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/386/head:pull/386

PR: https://git.openjdk.java.net/skara/pull/386