ENGINE-1814, added the test in ignore
ENGINE-1814, evaluateAtProcessInstantiation is working on initializing process

Conflicts:
	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/transaction/process/GetStartedArchivedProcessInstance.java
ENGINE-1739, do not check return type in assignment operation when data is external

Conflicts:
	bpm/bonita-core/bonita-operation/bonita-operation-api-impl/src/main/java/org/bonitasoft/engine/core/operation/impl/AssignmentOperationExecutorStrategy.java