CLOUDIFY-2229 test passing workitem fields on workflow submission.
Merge branch 'feature/CLOUDIFY-2229-workflow-engine-service' into feature/CLOUDIFY-2222-manager-rest
CLOUDIFY-2229 hold error in workflow state on failure.
CLOUDIFY-2229 fixed assertions.
Merge branch 'feature/CLOUDIFY-2229-workflow-engine-service' into feature/CLOUDIFY-2222-manager-rest
CLOUDIFY-2222 more work