RFR: 129: Do not send RFR mails for PRs in Draft stage

[Robin Westberg]

Hi all,

Please review this change that adds support for creating pull requests in draft stage for GitHub and GitLab, as well as querying if this property is set. Finally, this is used to determine if a pull request is ready for review or not.

Best regards,
Robin

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Commits:
 - f49ebd73: Add support for draft pull requests on GitHub and GitLab

Changes: https://git.openjdk.java.net/skara/pull/203/files
 Webrev: https://webrevs.openjdk.java.net/skara/203/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-129
  Stats: 106 lines in 13 files changed: 89 ins; 3 del; 14 mod
  Patch: https://git.openjdk.java.net/skara/pull/203.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/203/head:pull/203

PR: https://git.openjdk.java.net/skara/pull/203