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
pageContent = reportExecutor.createPage( pageNumber, pageDesign );
		this.content = pageContent;
	}
	protected void end( )
	{
		if ( !isFirst && isPageEmpty( ) )
		{
			if ( isLast )
			{
				pageNumber--;
				resolveTotalPage( );
			}
			return;
		}
		MasterPageDesign mp = getMasterPage( report );
		if ( mp instanceof SimpleMasterPageDesign )
		{
			if ( isFirst
					&& !( (SimpleMasterPageDesign) mp ).isShowHeaderOnFirst( ) )
			{
				removeHeader( );
				isFirst = false;
			}
			if ( isLast
					&& !( (SimpleMasterPageDesign) mp ).isShowFooterOnLast( ) )
			{
				removeFooter( );
			}
			if ( ( (SimpleMasterPageDesign) mp ).isFloatingFooter( ) )
			{