Bug 144613 Blank page when set group page break before as always.
Description: Blank page when set group page break before as always. Steps to reproduce: 1. Insert a table. 2. Add a group, set group page break before to always 3. Delete table header and footer 4. Preview in html and pdf Expected result: No blank page Actual result: A blank page in html. If you set group page-break-after to always and preview, no blank page.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFPageLM.java
header.setWidth( headerWidth );
		header.setPosition( 0, 0 );
		pageRoot.addChild( header );
		page.setHeader( header );
		/**
		 * set position and dimension for footer
		 */
		int footerHeight = getDimensionValue( pageContent.getFooterHeight( ),
				pageRoot.getHeight( ) );
		int footerWidth = pageRoot.getWidth( );
		footerHeight = Math.max( 0, footerHeight );
		footerHeight = Math.min( pageRoot.getHeight( ) - headerHeight,
				footerHeight );
		ContainerArea footer = new LogicContainerArea( );
		footer.setHeight( footerHeight );
		footer.setWidth( footerWidth );
		footer.setPosition( 0, pageRoot.getHeight( ) - footerHeight );
		pageRoot.addChild( footer );
		page.setFooter( footer );
		/**
		 * set position and dimension for body
		 */
		ContainerArea body = new LogicContainerArea( );
		int bodyLeft = getDimensionValue( pageContent.getLeftWidth( ), pageRoot
				.getWidth( ) );
		bodyLeft = Math.max( 0, bodyLeft );
		bodyLeft = Math.min( pageRoot.getWidth( ), bodyLeft );
		body.setPosition( bodyLeft, headerHeight );
		int bodyRight = getDimensionValue( pageContent.getRightWidth( ),
				pageRoot.getWidth( ) );