Bug 142673 Support UI preference to limit report preview max rows
UI will add a new preference to limit report preview max rows, and viewer should support it when preview report in designer.
viewer/org.eclipse.birt.report.viewer/src/org/eclipse/birt/report/viewer/utilities/WebViewer.java
if ( "false".equalsIgnoreCase( masterPageContent ) ) 
		{
			bMasterPageContent = false;
		}
		
		return getBaseURL( )
				+ servletName
				+ "?" 
				+ "__report=" + encodedReportName 
				+ "&__format=" + format 
				+ "&__svg=" + String.valueOf( bSVGFlag ) 
				+ ( LocaleTable.containsKey( locale )
						? "&__locale=" + LocaleTable.get( locale ) : "" ) 
				+ "&__designer=" 
				+ String.valueOf( inDesigner )
				+ "&__masterpage=" + String.valueOf( bMasterPageContent ) 
				+ "&__rtl=" + String.valueOf( rtl ); 
	}
	/**
	 * Start web application.
	 */
	private static void startWebApp( )
	{
		try
		{
			WebappAccessor.start( "viewer", WebAppPlugin, Path.EMPTY ); 
		}
		catch ( CoreException e )
		{