_s commit [b0e25cf]

* _s [a78658a] までの翻訳
* Update README.md.
* Add a non-breaking space to _s_post_nav().
* Remove default widgets from sidebar.
* is_active_sidebar() check
remove nodeunit module
Merge pull request #32 from gatespace/remove_nodeunit

remove nodeunit module
Merge pull request #31 from gatespace/_s_b0e25cf

_s commit [b0e25cf]