Bug 205938 Cross Tab: 2.2.9 Measures from a cube can be dragged and dropped to left and not to right.
If user wants to show an existing measure on a cross tab that he has defined in a cube, he can only add it to the left and not to the right of an existing measure. Proposed solution User should be ale to add a measure both to the left and right of an existing measure.
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/internal/ui/editors/editpolicies/CrosstabCellFlowLayoutEditPolicy.java
{
				Object afterObj = null;
				if (after != null )
				{
					afterObj = after.getModel( );
				}
				return new AddMeasureViewHandleCommand( (CrosstabCellAdapter) model,
						(MeasureHandle) newObject, afterObj );
			}
			
			else if (newObject instanceof MeasureGroupHandle && position.equals( ICrosstabCellAdapterFactory.CELL_MEASURE ))
			{
				List list = new ArrayList();
				list.add( newObject );
				
				Object afterObj = null;
				if (after != null )
				{
					afterObj = after.getModel( );
				}
				
				return new AddMultipleMeasureCommand((CrosstabCellAdapter) model, list, afterObj);
			}
			else if (newObject instanceof Object[] && CrosstabAdaptUtil.canCreateMultipleCommand( (Object[])newObject ) 
					&& position.equals( ICrosstabCellAdapterFactory.CELL_MEASURE ))
			{
				List list = new ArrayList();
				Object[] objs = (Object[])newObject;
				for (int i=0; i<objs.length; i++)
				{