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
String pageType = IOUtil.readString( in );
				design.setPageType( pageType );
				break;
			case FIELD_PAGE_SIZE :
				DimensionType width = readDimension( in );
				DimensionType height = readDimension( in );
				design.setPageSize( width, height );
				break;
			case FIELD_MARGIN :
				DimensionType top = readDimension( in );
				DimensionType left = readDimension( in );
				DimensionType bottom = readDimension( in );
				DimensionType right = readDimension( in );
				design.setMargin( top, left, bottom, right );
				break;
			case FIELD_ORIENTATION :
				String orientation = IOUtil.readString( in );
				design.setOrientation( orientation );
				break;
			case FIELD_BODY_STYLE :
				String bodyStyleName = IOUtil.readString( in );
				design.setBodyStyleName( bodyStyleName );
				break;
			default :
				readStyledElementField( in, design, fieldType );
		}
	}
	protected void readSimpleMasterPage( DataInputStream in,
			SimpleMasterPageDesign design ) throws IOException
	{