pull: fix pull when phases.new-commit=secret This was causing subtle failures during pull. I believe the line where we manually "set phase to public" isn't required any more, but more work is required to verify that behavior on all versions of hg, so we'll do that as a followup on default if needed.

include Makefile hgsubversion/help/*.rst tests/fixtures/invalid_utf8.tar.gz
recursive-include tests *.py *.sh *.svndump *.txt