Code for passing tool parameters

some additions to blend4j in order to make it compatible to Richard
Park's REST API changes regarding the passing of tool parameters.
It allows to pass parameters like this:
WorkflowInputs inputs = new WorkflowInputs(); inputs.setDestination(new
WorkflowInputs.ExistingHistory(history.getId()));
inputs.setWorkflowId(projectWorkflow.getId());
// Set parameters for params2yaml tool
inputs.setParameters("params2yaml", new ToolParameters("project",
"APR000200"));