[Rev 01] RFR: contributor command: friendlier message when removing contributor

[Erik Helin]

> Hi all,
> 
> please review this patch that prints a bit friendlier message when removing a
> contributors. The message will now include the contributors associated with the
> pull request _if_ the given contributor is not one of them.
> 
> Testing:
> - added a new unit test for the feature
> - `make test` passes on Linux x64
> 
> Thanks,
> Erik

The pull request has been updated with 1 additional commit.

-------------

Added commits:
 - df39617b: Format regular expressions better

Changes:
  - all: https://git.openjdk.java.net/skara/pull/425/files
  - new: https://git.openjdk.java.net/skara/pull/425/files/89621068..df39617b

Webrevs:
 - full: https://webrevs.openjdk.java.net/skara/425/webrev.01
 - incr: https://webrevs.openjdk.java.net/skara/425/webrev.00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/skara/pull/425.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/425/head:pull/425

PR: https://git.openjdk.java.net/skara/pull/425