RFR: git-pr: recognize more forms on integration comments

[Erik Helin]

Hi all,

please review this small patch that makes `git pr integrate` recognize multiple
forms of integration result comments (for example ones with rebase information).

Thanks,
Erik

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Commits:
 - 0ac4d122: git-pr: recognize more forms on integration comments

Changes: https://git.openjdk.java.net/skara/pull/448/files
 Webrev: https://webrevs.openjdk.java.net/skara/448/webrev.00
  Stats: 6 lines in 1 file changed: 2 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/skara/pull/448.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/448/head:pull/448

PR: https://git.openjdk.java.net/skara/pull/448