vers of subcommands bump up.
remove argument for called-interactively-p.
Merge pull request #64 from shkit/fix-for-emacs22

remove argument for called-interactively-p.
Merge branch 'master' of github.com:kazu-yamamoto/Mew
defining mew-called-interactively-p.
using macro for mew-called-interactively-p.
update changes.
ver bumps up.
rescue Emacs 22.
ver bumps up.