add Touch model.
add Seeing model that acts as reaction of Touch.
make items#show create Touch and Seeing to record user's action.
add past commits' spec examples.
add SeeingPage that is a submodel of Seeing.
change association touch has many seeings and seeing belongs to touch
add require login function
add user and item seeds
add GeneralRating(Rating) feature
add .rvmrc
add looks and usability ratings
add admin ratings feature that includes index and search action
change rating post form to rating post link on item's show view
add exporting rating csv function to admin
add rating and touch association
change Rating's value to score
add ja's locales
fix bug
apply twitter-bootstrap layout
remove json builder