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
*            <li><code>IResourceLocator.MESSAGEFILE</code>
	 *            </ul>
	 *            Any invalid value will be treated as
	 *            <code>IResourceLocator.IMAGE</code>.
	 * @return the <code>URL</code> object if the file with
	 *         <code>fileName</code> is found, or null otherwise.
	 */
	public URL findResource( String fileName, int fileType )
	{
		return module.findResource( fileName, fileType );
	}
	/**
	 * Gets the result style sheet with given file name of an external CSS2
	 * resource.
	 * 
	 * @param fileName
	 *            the file name of the external CSS resource
	 * @return the <code>CssStyleSheetHandle</code> if the external resource
	 *         is successfully loaded
	 * @throws StyleSheetException
	 *             thrown if the resource is not found, or there are syntax
	 *             errors in the resource
	 */
	public CssStyleSheetHandle openCssStyleSheet( String fileName )
			throws StyleSheetException
	{
		CssStyleSheet sheet = module.loadCss( fileName );
		return sheet.handle( module );
	}
	/**