Add functional tests for order

Added all current functional tests for orders.
This does not include paging tests.

Change-Id: Iadf53bdca09a26f0e29bb2025a73f22529943e4e
Workflow documentation is now in infra-manual

Replace URLs for workflow documentation to appropriate parts of the
OpenStack Project Infrastructure Manual.

Change-Id: I2d859aba74a7f6c55435f2d56e8676e6bf9c4430
Merge "Add functional tests for order"
Merge "Workflow documentation is now in infra-manual"