update comment on seldon proto
update comment on seldon proto

smrjan/seldon-server,smrjan/seldon-server,smrjan/seldon-server,SeldonIO/seldon-server,SeldonIO/seldon-server,SeldonIO/seldon-server,SeldonIO/seldon-server,smrjan/seldon-server,smrjan/seldon-server,SeldonIO/seldon-server