Bug 154178 Support projectFolder in BIRT viewer
If the report supports projectFolder, the viewer also need to enhance for this feature.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
renderTask.setRenderOption( setting );
		renderTask.setLocale( locale );
		
		try
		{
			if ( format.equalsIgnoreCase( ParameterAccessor.PARAM_FORMAT_PDF )
					|| IBirtConstants.SERVLET_PATH_RUN
							.equalsIgnoreCase( request.getServletPath( ) ) )
				renderTask.render( );
			else
			{
				renderTask.setPageNumber( pageNumber );
				renderTask.render( );
			}
		}
		catch ( BirtException e )
		{
			AxisFault fault = new AxisFault( e.getLocalizedMessage( ) );
			fault.setFaultCode( new QName(
					"ReportEngineService.renderReport( )" ) ); 
			fault.setFaultString( e.getLocalizedMessage( ) );
			throw fault;
		}
		catch ( Exception e )
		{
			AxisFault fault = new AxisFault( e.getLocalizedMessage( ) );
			fault.setFaultCode( new QName(
					"ReportEngineService.renderReport( )" ) ); 
			fault.setFaultString( e.getLocalizedMessage( ) );
			throw fault;