added japanese

config/locale_settings.yml

@@ -22,6 +22,7 @@ available:
   id: "Bahasa Indonesia"
   is: "íslenska"  
   it: "Italiano"
+  ja: "日本語"
   ko: "한국어"
   lt: "Lietuviškai"
   mk: "македонски"

config/locales/cldr/ja_plurals.rb

@@ -0,0 +1 @@
+{ :ja => { :i18n => {:plural => { :keys => [:other], :rule => lambda { |n| :other } } } } }