Bug 212497 Need api to get all referencable report item with cube
Need model provide new api to return all referencable report items for dataset or cube respectively. For instance: getAvailableDataSetBindingReferenceList(); getAvailableCubeBindingReferenceList(); also keep current api: getAvailableDataBindingReferenceList().
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
implements
			IModuleModel
{
	/**
	 * The flag indicates that whether the initialization is finished.
	 */
	protected boolean isInitialized = false;
	/**
	 * Constructs one module handle with the given module element.