Send a Content-Type: application/json header
Use 'Location' header for Refresh after Create
PersistentObject::WaitFor - use $this->Status()
Initial support for Orchestration (Heat)

This initial version supports creating and deleting stacks and fetching
OpenCloud\Compute\Server instances from an OpenCloud\Orchestration\Stack
instance.
remove trailing whitespace
Add myself to @author so people know who to blame
Add Server::Console()
Merge pull request #112 from grncdr/orchestration-rebase

Add support for Orchestration (heat) service. (ref. #50)