Improving ConceptDetailWorkflow GUI: allowing controls to expand and
re-adding newWorkflowInstance button. Changing LocalTask toString() to
use members, adding toString() to ProcessInstanceCreationRequest,
modifying ConceptDetailWorkflow: changing from Singleton to PerLookup,
implementing new ConceptWorkflowViewI, moving initialization from ctor
to showView, enhancing/fixing ConceptDetailWorkflowController: fixing
bugs in initialization/load order, restoring newWorkflowInstanceButton,
adding ConceptWorkflowViewI, adding ConceptDetailWorkflowRunner