After review: Implement OrderUtil.discontinueAllOrders - TRUNK-4398

Conflicts:
	api/src/main/java/org/openmrs/api/PatientService.java
	api/src/main/java/org/openmrs/api/ProgramWorkflowService.java
	api/src/main/java/org/openmrs/order/OrderUtil.java
	webapp/src/main/webapp/WEB-INF/view/portlets/patientOverview.jsp