ENGINE-1641 : Implement deleteArchivedProcessInstances
ENGINE-1601: it is possible to start a process by giving a map of
variableName/Value
ENGINE-1636 : [DEPRECATED] Delete Process do not delete process instance anymore
ENGINE-1636 : [DEPRECATED] Delete Process do not delete process instance anymore
Use new method to delete process definition, instance, and archived instance in tests
Merge branch 'CoreProduct'

Conflicts:
	bpm/bonita-bpm-integration-tests/bonita-integration-local-tests/src/main/java/org/bonitasoft/engine/test/ProcessArchiveTest.java
	bpm/bonita-core/bonita-process-engine/src/main/java/org/bonitasoft/engine/api/impl/ProcessAPIImpl.java
	bpm/bonita-core/bonita-process-engine/src/main/java/org/bonitasoft/engine/api/impl/ProcessManagementAPIImplDelegate.java
	bpm/bonita-core/bonita-process-instance/bonita-process-instance-impl/src/main/java/org/bonitasoft/engine/core/process/instance/impl/FlowNodeInstanceServiceImpl.java