core: Add devise gem
frontend: Add routes for devise
core: Implement configuration
frontend: Fix order flow for signed-in customer
core: Install jquery-rails for suppport signout with DELETE method
frontend: Add login and logout menu for members
core: Install enumerize gem
core: Initialize comable addresses
core: Refactor devise config
Change devise resource name: member => customer
Change customer method name: logged_in? => signed_in?
core: Fix current_customer method to work
core: Remove load_store method
Change the association condition from customer to orders
Merge branch 'master' into feature/members_page

Conflicts:
	frontend/app/controllers/comable/orders_controller.rb
Rails 3.x: Fix the association from customer to orders
Merge pull request #40 from hyoshida/feature/members_page

Implement members page