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
*/
	public CascadingParameterGroupHandle newCascadingParameterGroup( String name )
	{
		CascadingParameterGroup element = new CascadingParameterGroup( name );
		module.makeUniqueName( element );
		return (CascadingParameterGroupHandle) element.handle( module );
	}
	/**
	 * Creates a new scalar parameter element. The name is required. If the
	 * <code>name</code> is null, we will make a unique name for it.
	 * 
	 * @param name
	 *            the required scalar parameter name
	 * @return a handle to the scalar parameter
	 */
	public ScalarParameterHandle newScalarParameter( String name )
	{
		ScalarParameter element = new ScalarParameter( name );
		module.makeUniqueName( element );
		return element.handle( module );
	}
	/**
	 * Creates a new style element. The name is required. If the
	 * <code>name</code> is null, we will make a unique name for it.
	 * 
	 * @param name
	 *            the required style name
	 * @return a handle to the style
	 */
	public SharedStyleHandle newStyle( String name )