add validation to reviews.
Merge branch 'master' of https://github.com/kemccabe/betsy_rails
create link to add review unless merchant owns product
order_items update instead of being recreated
working on rendering order-complete order_items
create review helper method to calculate and render review average for a product.
change rating to "Average Rating"
:wq
ange rating to "Average Rating"
fix review rendering on product index page.
correct rating calculation
all order and item creates and updates work
all order and item creates and updates working
Merge branch 'master' into order
Merge branch 'master' into user
Change comment