Change session_store to activerecord_store to avoid 4kb limit
Clear session[:sync_discrepancy]
Remove strip key 'item_id' from get_items
Add .travis.yml
Create Admin in seeds file
Add faker gem us in product factory
rails generate scaffold carts
rails generate scaffold line_items
Add has_many :line_items and before_destroy method to Products
Rake db:migrate line_items and carts
Add add_to_cart button
Add line_items_controller tests
Modify carts/show view and style
Generate add_quantity_to_line_items
Add item.quantity to carts/show view
Create add_product(to line_item) method
Create invalid_cart method with notice
Get ProductsControllerTest to pass
Remove :cart_id from LineItemsController whitelist
Get LineItemsControllerTest to pass