Checkout enhancements.
- Gives the user a confirmation message when an order is placed, and allows the user to view the generated PO.
- 5 sample POs for illustrative purposes
Merge branch 'ajturner'

* ajturner:
  Checkout enhancements. - Gives the user a confirmation message when an order is placed, and allows the user to view the generated PO. - 5 sample POs for illustrative purposes