[Rev 01] RFR: 266: Allow getting commit metadata for a range

[Robin Westberg]

> Hi all,
> 
> Please review this change that implements getting commit metadata for a range (for git repositories). This is in turn used in a few places in the bots where the full commit information isn't needed, such as counting them.
> 
> Best regards,
> Robin

The pull request has been updated with 1 additional commit.

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Added commits:
 - 69c43d7b: Remove too verbose toString method

Changes:
  - all: https://git.openjdk.java.net/skara/pull/402/files
  - new: https://git.openjdk.java.net/skara/pull/402/files/7af18a94..69c43d7b

Webrevs:
 - full: https://webrevs.openjdk.java.net/skara/402/webrev.01
 - incr: https://webrevs.openjdk.java.net/skara/402/webrev.00-01

  Stats: 12 lines in 1 file changed: 0 ins; 12 del; 0 mod
  Patch: https://git.openjdk.java.net/skara/pull/402.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/402/head:pull/402

PR: https://git.openjdk.java.net/skara/pull/402