RFR: 467: git pr create assumes .jcheck/conf file

[Erik Helin]

Hi all,

please review this patch that makes `git pr create` work for repositories without an `.jcheck/conf` file.

Thanks,
Erik

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Commit messages:
 - skara-467

Changes: https://git.openjdk.java.net/skara/pull/711/files
 Webrev: https://webrevs.openjdk.java.net/skara/711/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-467
  Stats: 14 lines in 1 file changed: 12 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/skara/pull/711.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/711/head:pull/711

PR: https://git.openjdk.java.net/skara/pull/711