RFR: 118: Use jcheck configuration from PR target branch

[Robin Westberg]

Hi all,

Please review this change that uses the jcheck configuration from the target branch when checking pull requests. See the issue for more details.

Best regards,
Robin

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Commits:
 - 3dd7b05e: Read jcheck configuration from the PR target ref

Changes: https://git.openjdk.java.net/skara/pull/182/files
 Webrev: https://webrevs.openjdk.java.net/skara/182/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-118
  Stats: 10 lines in 2 files changed: 0 ins; 4 del; 6 mod
  Patch: https://git.openjdk.java.net/skara/pull/182.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/182/head:pull/182

PR: https://git.openjdk.java.net/skara/pull/182