modify category and manufacturers display
add order scaffolds
add cart scaffolds
add line_item scaffolds
update routes and database
display cart quantity on menubar
better popular product select
annotate new table schema
fix display in smaller screen
working cart display
customer cart page
adjust thumbnail styles
add duplicated items to cart
control cart view security
display popular items when no related
add discount related data
update item quantity in cart
fix line item destroy typo
add location to user
update account signup/signin/edit pages