Bug 189751 cube enhancement: Groups and Summaries category; an empty summary field is being created.
Based on bug Id# 187412: Cube builder enhancement While reviewing the cube builder enhancements, I found some things that are not updated as the mock up. Please see the attached document. Under Groups and summaries category: 1. If new a cube, under 'groups and Summaries' category, by default an empty summary field is being created. No empty groups and summaries should be there to start with. Make it consistent as 'Groups (dimension): no empty group is there. 2. The category title should repeats itself as Groups and Summaries 3. Primary Dataset has to be listed as (Primary)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ElementFactory.java
* 
	 * @param name
	 *            the optional list name. Can be <code>null</code>.
	 * @return a handle to the list
	 */
	public ListHandle newList( String name )
	{
		ListItem element = new ListItem( name );
		module.makeUniqueName( element );
		return element.handle( module );
	}
	/**
	 * Creates a new graphic master page element. The name is required. If the
	 * <code>name</code> is null, we will make a unique name for it.
	 * 
	 * @param name
	 *            the required graphic master page name
	 * @return a handle to the graphic master page
	 */
	public GraphicMasterPageHandle newGraphicMasterPage( String name )
	{
		GraphicMasterPage element = new GraphicMasterPage( name );
		module.makeUniqueName( element );
		return element.handle( module );
	}
	/**
	 * Creates a new simple master page element. The name is required. If the
	 * <code>name</code> is null, we will make a unique name for it.
	 * 
	 * @param name