Bug 207825 Crosstab gives wrong default for Totals on Count
xtab/org.eclipse.birt.report.item.crosstab.core/src/org/eclipse/birt/report/item/crosstab/core/de/CrosstabReportItemHandle.java
* @param functionList
	 *            the list of the aggregation that the measure will be applied
	 *            by the grand-total
	 * @return
	 * @throws SemanticException
	 */
	public CrosstabCellHandle addGrandTotal( int axisType, List measureList,
			List functionList ) throws SemanticException
	{
		return new CrosstabReportItemTask( this ).addGrandTotal( axisType,
				measureList, functionList );
	}
	/**
	 * Gets the measure view list that define aggregations for the row/column
	 * grand total in the crosstab. Each item in the list is instance of
	 * <code>MeasureViewHandle</code>.
	 * 
	 * @param axisType
	 * @return
	 */
	public List getAggregationMeasures( int axisType )
	{
		return new CrosstabReportItemTask( this )
				.getAggregationMeasures( axisType );
	}
	/**
	 * Gets the aggregation function for the row/column grand total in the
	 * crosstab.
	 * 
	 * @param crosstab