git: openjdk/skara: Add ReadOnlyRepository::status

[duke]

Changeset: 34361865
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2019-08-26 07:26:33 +0000
URL:       https://github.com/openjdk/skara/commit/34361865

Add ReadOnlyRepository::status

Reviewed-by: rwestberg

! jcheck/src/test/java/org/openjdk/skara/jcheck/TestRepository.java
! vcs/src/main/java/org/openjdk/skara/vcs/ReadOnlyRepository.java
+ vcs/src/main/java/org/openjdk/skara/vcs/StatusEntry.java
! vcs/src/main/java/org/openjdk/skara/vcs/git/GitRepository.java
! vcs/src/main/java/org/openjdk/skara/vcs/hg/HgRepository.java
! vcs/src/main/resources/ext.py
! vcs/src/test/java/org/openjdk/skara/vcs/RepositoryTests.java