RFR: 279: Optionally only update project-specific issues

[Robin Westberg]

Hi all,

Please review this change that allows the issue notifier to only update issues when the commit originates from a matching PR. This can be used for projects that merge commits from/to different branches, but only want to be notified about the original commit resulting from a PR integration.

Best regards,
Robin

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Commits:
 - b3626fe9: Merge remote-tracking branch 'upstream/master' into notify_pronly
 - d32a0c02: Implement pr-only issue notification

Changes: https://git.openjdk.java.net/skara/pull/439/files
 Webrev: https://webrevs.openjdk.java.net/skara/439/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-279
  Stats: 118 lines in 3 files changed: 92 ins; 4 del; 22 mod
  Patch: https://git.openjdk.java.net/skara/pull/439.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/439/head:pull/439

PR: https://git.openjdk.java.net/skara/pull/439