[Rev 01] RFR: 263: Add target repo and branch to subject of RFR email

[Robin Westberg]

> Hi all,
> 
> Please review this change that optionally adds the name of the target repo and/or branch to the subject line of an RFR email.
> 
> Best regards,
> Robin

The pull request has been updated with a new target base due to a merge or a rebase.

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Commits:
 - 8ca3abb0: Merge remote-tracking branch 'upstream/master' into branch_prefix
 - 6bef52f4: Merge remote-tracking branch 'upstream/master' into branch_prefix
 - 2456ad1f: Add support for optional repo and branch prefix on generated RFR emails

Changes: https://git.openjdk.java.net/skara/pull/431/files
 Webrev: https://webrevs.openjdk.java.net/skara/431/webrev.01
  Stats: 266 lines in 7 files changed: 228 ins; 0 del; 38 mod
  Patch: https://git.openjdk.java.net/skara/pull/431.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/431/head:pull/431

PR: https://git.openjdk.java.net/skara/pull/431