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/service/ReportEngineService.java
return task;
	}
	/**
	 * createGetParameterDefinitionTask.
	 * 
	 * @param runnable
	 * @return the get parameter definition task
	 */
	public IGetParameterDefinitionTask createGetParameterDefinitionTask(
			IReportRunnable runnable, InputOptions options )
	{
		IGetParameterDefinitionTask task = null;
		try
		{
			HttpServletRequest request = (HttpServletRequest) options
					.getOption( InputOptions.OPT_REQUEST );
			task = engine.createGetParameterDefinitionTask( runnable );
			
			Map context = BirtUtility.getAppContext( request,
					ReportEngineService.class.getClassLoader( ) );
			task.setAppContext( context );
		}
		catch ( Exception e )
		{
		}
		return task;
	}
	/**
	 * Open report document from archive,
	 *