Add cart to side nav, update controller and style
Redirect line item delete to store show
Use AJAX when adding lines to cart
Add JS-UI to highlight the newly added item
Add helper methods to show/hide cart div when items added/removed from cart
Add some JS to make images clickable, fix several broken tests and add tests for Ajax and CSS requirements
Merge pull request #6 from landesjm/feature/AddAjax

Feature/add ajax