passing user tests
Merge pull request #59 from rNavarrete/passing_user_tests

passing user tests
Add buttons to checkout process
Remove available column from items table
Add address model, controller, start submit order form
Update address view and tests, move validations from order to address
Merge pull request #61 from rNavarrete/save_orders

Save orders
fixing merge conflicts
added check current_user if a person goes to charges path