updated tomcat version from 7.0.69 to 7.0.70
updated tomcat version from 7.0.69 to 7.0.70

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