RFR: 130: Integrating outdated PRs shows an empty error message

[Robin Westberg]

Hi all,

Please review this change that ensures that an attempt to integrate an outdated PR shows a proper error message instead of just an empty comment.

Best regards,
Robin

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Commits:
 - 2f8ae849: Propagate the error message when rebasing fails

Changes: https://git.openjdk.java.net/skara/pull/201/files
 Webrev: https://webrevs.openjdk.java.net/skara/201/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-130
  Stats: 116 lines in 5 files changed: 114 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/skara/pull/201.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/201/head:pull/201

PR: https://git.openjdk.java.net/skara/pull/201