Make mew-smtp-info-name use the domain part of mew-smtp-user
Use unfolding for mew-summary-trace-path
Merge pull request #34 from tadanagao/smtp-info-name-001

Make mew-smtp-info-name use the domain part of mew-smtp-user
Merge pull request #35 from tats/bug/trace-path

Use unfolding for mew-summary-trace-path