WIP
build receipts from carts
Merge branch 'master' of github.com:JohnAmican/merch-perch
Merge branch 'master' of github.com:JohnAmican/merch-perch

Nasty merge, broke everything, #sorryImNotSorry

Conflicts:
	app/models/cart.rb
	app/models/receipt.rb
	app/models/zvent.rb
	db/schema.rb
migrated to fix any mistakes made in the merge
Merge branch 'master' of github.com:JohnAmican/merch-perch

Conflicts:
	app/controllers/carts_controller.rb