Merge branch 'jk/1.7.0-status'

* jk/1.7.0-status: status/commit: do not suggest "reset HEAD <path>" while merging commit/status: "git add <path>" is not necessarily how to resolve commit/status: check $GIT_DIR/MERGE_HEAD only once t7508-status: test all modes with color t7508-status: status --porcelain ignores relative paths setting status: reduce duplicated setup code status: disable color for porcelain format status -s: obey color.status builtin-commit: refactor short-status code into wt-status.c t7508-status.sh: Add tests for status -s status -s: respect the status.relativePaths option docs: note that status configuration affects only long format commit: support alternate status formats status: add --porcelain output format status: refactor format option parsing status: refactor short-mode printing to its own function status: typo fix in usage git status: not "commit --dry-run" anymore git stat -s: short status output git stat: the beginning of "status that is not a dry-run of commit" Conflicts: t/t4034-diff-words.sh wt-status.c