Initial commit for the order entity type definition.
Correct some mistakes and update the admin orders listing.
Add order admin menu links.
Add an intermediate page when creating an order for selecting the type.
Export a default order type + fix the create order page.
Add the order number + small corrections after review.
Add the hostname, the mail and the data.
Merge pull request #1 from jsacksick/order_entity

Order + order type initial definition