RFR: SKARA-1340: Correct email domain not always used when adding a contributor to a PR [v2]

[Guoxiong Li]

> Hi all,
> 
> The contributor command uses the static domain `openjdk.org` which causes this issue. This patch uses the domain of the configuration instead of the static `openjdk.org` and adjusts the test cases.
> 
> Thanks for taking the time to review.
> 
> Best Regards,
> -- Guoxiong

Guoxiong Li has updated the pull request incrementally with one additional commit since the last revision:

  Revert the default domain.

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

Changes:
  - all: https://git.openjdk.java.net/skara/pull/1281/files
  - new: https://git.openjdk.java.net/skara/pull/1281/files/c9535904..8dda44e6

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=skara&pr=1281&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=skara&pr=1281&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/skara/pull/1281.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/1281/head:pull/1281

PR: https://git.openjdk.java.net/skara/pull/1281