update order model to accept nested attributes for user
update orders controller to handle user attributes on creation
update new order form to accept user information
Merge pull request #16 from vidkun/ryan/nested_forms

Add nested form
update mailer to work hopefully
Merge branch 'master' into ryan/mailer
update method name
clean up mailer
update mailer template with proper object reference
Merge pull request #17 from vidkun/ryan/mailer

Fix Mailer
add method to cow model to increase the amount reserved for cut ordered
update orders create action to call new method for updating reserved amount
Merge pull request #18 from vidkun/ryan/order_amounts

Update reserved amount during order
update validation method to account for an empty amount
Merge pull request #19 from vidkun/ryan/issue15_amount_validation

update validation method to account for an empty amount