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
/**
	 * Since the <b>truncated </b> field in
	 * org.eclipse.draw2d.text.TextFragmentBox is not accessible outside its
	 * package, we use this Field to reflect the value of relevant object.
	 */
	static Field TRUNCATED;
	/**
	 * Text underline style.
	 */
	private String textUnderline = DesignChoiceConstants.TEXT_UNDERLINE_NONE;
	/**
	 * Text line-through style.
	 */
	private String textLineThrough = DesignChoiceConstants.TEXT_LINE_THROUGH_NONE;
	/**
	 * Text over-line style.
	 */
	private String textOverline = DesignChoiceConstants.TEXT_OVERLINE_NONE;
	/**
	 * Text horizontal alignment style.
	 */
	private String textAlign = DesignChoiceConstants.TEXT_ALIGN_LEFT;
	/**
	 * Text vertical alignment style.
	 */
	private String verticalAlign = DesignChoiceConstants.VERTICAL_ALIGN_TOP;
	static
	{
		try
		{