fix typo
add remove button.
added summary method to cart controller.
created summary partial view.
added cart summary partial view.
Merge branch 'completing-the-cart'
created domain model.
added checkout button.
fixed access level.
added checkout method.
added checkout form.
created order processer interface.
setting send e-mail.
added ninject bindings.
ignored config file.
added checkout process.
added checkout test.
added validation summary.
changed cs file name.
added complete view.