add spree 1-3-stable to Gemfile
Generate with: $ rails g spree:install
Add spree_auth_devise 1-3-stable to Gemfile
Generate with: $ bundle exec rake spree_auth:install:migrations
Generate with: $ bundle exec rake db:migrate
Change spree user class.
Merge pull request #1 from tsuchikazu/spree-setup

Spree install.
* view sample shop.
* view admin page.