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/actionhandler/AbstractGetPageActionHandler.java
__pageNumber = getPageNumber( context.getRequest( ), operation
				.getOprand( ), __docName );
		
		if ( !isValidPageNumber( context.getRequest( ), __pageNumber, __docName ) )
		{
			__bookmark = getBookmark( operation.getOprand( ), __bean );
			options.setOption( InputOptions.OPT_REQUEST, context.getRequest( ) );
			options.setOption( InputOptions.OPT_LOCALE, __bean.getLocale( ) );
			__pageNumber = getReportService( ).getPageNumberByBookmark(
					__docName, __bookmark, options );
			if ( !isValidPageNumber( context.getRequest( ), __pageNumber,
					__docName ) )
			{
				__bookmark = ( getReportService( ) ).findTocByName( __docName,
						__bookmark, options );
				__pageNumber = getReportService( ).getPageNumberByBookmark(
						__docName, __bookmark, options );
				if ( !isValidPageNumber( context.getRequest( ), __pageNumber,
						__docName ) )
				{
					AxisFault fault = new AxisFault( );
					fault
							.setFaultReason( BirtResources
									.getMessage(
											ResourceConstants.ACTION_EXCEPTION_INVALID_BOOKMARK,
											new String[]{getBookmark( operation
													.getOprand( ), __bean )} ) );
					throw fault;
				}
			}