RFR: 247: Support atomic pushes in with /integrate command

[Robin Westberg]

Hi all,

Please review this change that allows pushing without automatic rebasing.

Best regards,
Robin

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Commits:
 - 7497ada9: Add support for avoiding automatic rebase if wanted

Changes: https://git.openjdk.java.net/skara/pull/384/files
 Webrev: https://webrevs.openjdk.java.net/skara/384/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-247
  Stats: 183 lines in 6 files changed: 175 ins; 0 del; 8 mod
  Patch: https://git.openjdk.java.net/skara/pull/384.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/384/head:pull/384

PR: https://git.openjdk.java.net/skara/pull/384