only allows one add to cart button to be displayed at once
fixes size of category sidebar
Merge branch 'master' of https://github.com/tyrbo/the_pivot
creates address and user_address tables, relationships
displays billing and shipping addresses on account page
starts template for edit page
enables addresses to be updated
user info can be updated
fixes merge conflicts
fixes failing tests
Merge pull request #90 from chadbrading/master

user account info can be updated