Change checkout flow and send emails when checkout is complete
Add field trial period in Product #1
Merge branch 'checkout' into trial-period
Verify trial period of product in checkout. close #2
Fixed code to support more than one product in the cart and show the payment step if a product does not have trial version.
Displays message that the product is available for testing in the catalog
Displays trial period message in product page
Displays trial period message in checkout page.
added trial html class attribute in product page and changed trial message
removing merge conflict