Bug 156969 [regression]Group header repeat doesn't work in Web Viewer.
Description: Group header repeat doesn't work in Web Viewer. Steps to reproduce: 1. New a data source and dataset, drag the dataset to Layout. 2. Add a group. 3. Set page break in the first data item in table detail row. 4. Preview in web viewer&#12290; Expected result: Group header is repeated in each page. Actual result: No group header repeat effect.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/EngineIRReader.java
throw new IOException( "un-compatable design version"
					+ designVersion );
		}
		reportDesign = new Report( );
		
		
		String basePath = IOUtil.readString( dis );
		reportDesign.setBasePath( basePath );
		
		String unit = IOUtil.readString( dis );
		reportDesign.setUnit( unit );
		
		int styleCount = IOUtil.readInt( dis );
		for ( int i = 0; i < styleCount; i++ )
		{
			String styleName = IOUtil.readString( dis );
			IStyle style = readStyle( dis );
			reportDesign.addStyle( styleName, style );
		}
		String rootStyleName = IOUtil.readString( dis );
		reportDesign.setRootStyleName( rootStyleName );
		
		Map namedExpressions = IOUtil.readMap( dis );
		if ( namedExpressions != null )
		{
			reportDesign.getNamedExpressions( ).putAll( namedExpressions );
		}
		
		PageSetupDesign pageSetup = reportDesign.getPageSetup( );
		int masterPageCount = IOUtil.readInt( dis );