Bug 192789 Support to render reportlet using bookmark in frameset servlet.
Description: Support to render reportlet using bookmark in frameset servlet. At present, only run and preview servlet support __isreportlet&__bookmark to generate reportlet.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/presentation/aggregation/layout/FramesetFragment.java
if ( ParameterAccessor.PARAM_FORMAT_PDF.equalsIgnoreCase( format ) )
		{
			response.setContentType( "application/pdf" ); 
		}
		else
		{
			String mimeType = ReportEngineService.getInstance( ).getMIMEType(
					format );
			if ( mimeType != null && mimeType.length( ) > 0 )
				response.setContentType( mimeType );
			else
				response.setContentType( "application/octet-stream" ); 
		}
		String filename = ParameterAccessor.generateFileName( request, format );
		response
				.setHeader(
						"Content-Disposition", openType + "; filename=\"" + filename + "\"" ); 
	}
	/**
	 * Render the report in html/pdf format by calling frameset service.
	 * 
	 * @param request
	 *            incoming http request
	 * @param response
	 *            http response
	 * @exception ServletException
	 * @exception IOException
	 */
	protected void doService( HttpServletRequest request,
			HttpServletResponse response ) throws ServletException,