Added 'japanese user' factory.
Added Japanese flag icon.
Added Japanese locale to Aloha settings and Locomotive. (install template, configuration, initializer)
Added Japanese translation of Formtastic messages.
Added Japanese translation of flash messages.
Added Japanese translation of Devise messages.
Added Japanese translation of default Rails messages + date/time formats.
Added Japanese translation of carrierwave messages.
Added Japanese translations of administrative interface.
Conflict resolution.