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
*            the new description for the module
	 * @throws SemanticException
	 *             if the property is locked.
	 */
	public void setDescription( String description ) throws SemanticException
	{
		setStringProperty( IModuleModel.DESCRIPTION_PROP, description );
	}
	/**
	 * Returns the resource key of the static description of the module.
	 * 
	 * @return the resource key of the static description
	 */
	public String getDescriptionKey( )
	{
		return getStringProperty( IModuleModel.DESCRIPTION_ID_PROP );
	}
	/**
	 * Sets the resource key of the static description of the module.
	 * 
	 * @param resourceKey
	 *            the resource key of the static description
	 * 
	 * @throws SemanticException
	 *             if the resource key property is locked.
	 */
	public void setDescriptionKey( String resourceKey )
			throws SemanticException
	{
		setStringProperty( IModuleModel.DESCRIPTION_ID_PROP, resourceKey );