Update sample environment variables

Previously, some sensitive data was being stored in the application's
sample environment variables, which was presenting a security issue. The
variables have been updated to use dummy values.

https://trello.com/c/ss5habYR
Create a show order page

Previously, there was no way of viewing the details of an individual
order, which was making it difficult for the administrator to send
orders out to the customers. A page for each individual order has been
created.
Change the layout of the order page
Add translations
Pull order from DB
Show specific order
Add orders index
Restrict access to order screens
Refactoring some things
Add Stripe integration
Remove Stripe exception handling

Previously, an exception was being caught when the Stripe API returned
an error, which has not been scoped into the project yet. The exception
block has been removed from the Order controller's create action.
Add an integration test for orders

Previously, there were no integrations surrounding the Orders page,
which was making it difficult to confidently execute any future
development work. A Cucumber scenario has been added around the page.
Add an integration test for order

Previously, the were no integrations surrounding the Order page, which
was making it difficult to confidently execute any future development
work. A Cucumber scenario has been added around the page.
Simplify the orders page

Previously, a lot of superfluous information was being displayed on the
orders page, which was cluttering the page and not providing much value.
The page has been refactored to include the bare summary of each order.
Add Stripe keys to test environment
Use the Travis config from suspenders
Remove test variables
Fix typo in Travis config