Merge pull request #18 from bobolinks-2014/frontend

Frontend
Merge pull request #19 from bobolinks-2014/frontend

finished session testing
updated views and integration tests
merged with frontend
Merge branch 'master' of https://github.com/bobolinks-2014/Amozin into category/product
Merge pull request #20 from bobolinks-2014/category/product

worked on views/routes/tests
viewing and creating reviews
Merge pull request #21 from bobolinks-2014/category/product

viewing and creating reviews
Merge pull request #22 from bobolinks-2014/frontend

added carousel, Foundation, and home page edits. Feel free to style.
added routes for cart
created shopping cart controller and view and it's routes
added quantity to cart model and updates the cart if you add more than one quantity for a product
Merge pull request #23 from bobolinks-2014/cart

Cart
added updating of item quantity
able to delete item from cart
created display of the price of an item in the cart and display total amount of items in the cart
added a clear all items button for the shopping cart
added cart sessions and authenticty token so that a user can log out and come back and log in and have the items still in their cart.
updated the button to add a product to the cart
added css for homepage