login and registration page are translated.
edit timezone.
reminders.php and validation.php are translated.
reminders.php and validation.php are translated.
Merge pull request #6 from jumilla/translate-login-registration

ログイン、アカウント登録、reminders.php、validation.phpを日本語化
Merge upstream commits

lang/*/login.phpとlang/*/registration.phpをlang/*/home.phpに移動した。
merge lang/*/admin.php from Remo
and more...
Merge branch 'master' into ytake-dev