Executed 'rails g scaffold Product'
finished Product manage & added Bootstarp & translated Japanese
added product model validations
Merge branch 'create_product_manage' into develop
Changed style of product index
added empty home#index & implemented store#index
added carts & order_details, then implemented cart in products
modified carts & order_detail
created cart via Ajax
Merge branch 'create_store_and_cart' into develop
devise install
devise user migrateion
added view flow of devise gem
modified devise test
ajusted layout of device gem
Merge branch 'create_users' into develop
added order page flow
added send email by orderd and shipped
modifiyed test
Merge branch 'create_order' into develop