Bug 190058 icon for aggregation type data items.
For aggregation type data items in cross tabs, we should show the icon instead of the sigma symbol. I am attaching the icon to replace it
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/figures/TextFlow.java
}
	/**
	 * Calculates the left coordinate by given container width, text width and
	 * horizontal alignment style.
	 * 
	 * @param compWidth
	 *            Container width.
	 * @param textWidth
	 *            Text width.
	 * @return
	 */
	protected int calculateLeft( int compWidth, int textWidth )
	{
		int rlt = 0;
		if ( textAlign.equals( DesignChoiceConstants.TEXT_ALIGN_LEFT )
				|| textAlign.equals( DesignChoiceConstants.TEXT_ALIGN_JUSTIFY ) )
		{
			rlt = 0;
		}
		else if ( textAlign.equals( DesignChoiceConstants.TEXT_ALIGN_CENTER ) )
		{
			rlt = ( compWidth - textWidth ) / 2;
		}
		else if ( textAlign.equals( DesignChoiceConstants.TEXT_ALIGN_RIGHT ) )
		{
			rlt = ( compWidth - textWidth );
		}
		return rlt;
	}
	/**