Moved command module classes to order context module.
Split order-context into submodules
Extracting shopping context and removing direct call to cartRepository (using HTTP client instead)

Upgraded DW to 0.7.0 to support testing
Extracting admin context to separate module
Decoupling compile-time dependency between admin-context and order.
Moved eventbus-contract into order-context.
Moves BookResource into admin-context
Temp commit. WIP.
Fixed some ResourceTests and moved query inside order context. Now ScenarioTest and JS code left to do!
Scenario tests fixed.
Fixing resources and dev.yml after DW 0.7.0 upgrade
Fixing wrong service url reference in tests
Fixed order placement JS code
Adding type as field to DomainEvent to make it shown when serializing as Map.

Fixed orders/events endpoint.
Cleaning up
Cleaning up order context. Separating OrderLine from OrderLineProjection.
Cleanup
Removed unused class
Replace BookId with AddItemRequest in CartResource
Moved tests