Bug 148002 List group page break doesn't work when render from ReportRunner.
Description: List group page break doesn't work when render from ReportRunner Steps to reproduce: 1. Run attached report using ReportRunner Expected result: Group page break in list item works Actual result: No page break.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/ReportRunner.java
* the output encoding, used in html format in Render and RunAndRender
	 * modes.
	 */
	protected String encoding = "utf-8"; 
	/**
	 * paramters used to execute the report, used in Run and RunAndRender modes.
	 */
	protected HashMap params = new HashMap( ); 
	/**
	 * output page number, used in Render mode.
	 */
	protected long pageNumber = -1;
	/**
	 * engine used to execute the tasks.
	 */
	private IReportEngine engine;
	/**
	 * Constructor of ReportRunner
	 * 
	 * @param args -
	 *            application arguments
	 */
	public ReportRunner( String[] args )
	{
		this.args = (String[]) args.clone( );
	}
	/**
	 * Main function.
	 * 
	 * @param args -