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/editparts/DataEditPart.java
/*******************************************************************************
 * Copyright (c) 2004 Actuate Corporation. All rights reserved. This program and
 * the accompanying materials are made available under the terms of the Eclipse
 * Public License v1.0 which accompanies this distribution, and is available at
 * http:www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors: Actuate Corporation - initial API and implementation
 ******************************************************************************/
package org.eclipse.birt.report.designer.internal.ui.editors.schematic.editparts;
import org.eclipse.birt.report.designer.internal.ui.dialogs.DataColumnBindingDialog;
import org.eclipse.birt.report.designer.internal.ui.editors.schematic.figures.LabelFigure;
import org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler;
import org.eclipse.birt.report.designer.nls.Messages;
import org.eclipse.birt.report.designer.util.DEUtil;
import org.eclipse.birt.report.model.api.ComputedColumnHandle;
import org.eclipse.birt.report.model.api.DataItemHandle;
import org.eclipse.birt.report.model.api.activity.SemanticException;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.StackLayout;
import org.eclipse.jface.dialogs.Dialog;
/**
 * Data edit part
 * 
 */
public class DataEditPart extends LabelEditPart