RFR: 352: Set X-Git-URL and X-Git-Changeset headers for push notification emails

[Robin Westberg]

Hi all,

Please review this change that sets X-Git-URL and X-Git-Changeset headers for push notification emails.

Best regards,
Robin

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Commit messages:
 - Add git url and changeset headers to notifier emails

Changes: https://git.openjdk.java.net/skara/pull/561/files
 Webrev: https://webrevs.openjdk.java.net/skara/561/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-352
  Stats: 36 lines in 2 files changed: 34 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/skara/pull/561.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/561/head:pull/561

PR: https://git.openjdk.java.net/skara/pull/561