upgrade to spark 1.5
upgrade to spark 1.5

michaelshing/seldon-server,tmylk/seldon-server,SeldonIO/seldon-server,michaelshing/seldon-server,varunkothamachu/seldon-server,elkingtonmcb/seldon-server,michaelshing/seldon-server,varunkothamachu/seldon-server,varunkothamachu/seldon-server,elkingtonmcb/seldon-server,SeldonIO/seldon-server,michaelshing/seldon-server,b-cuts/seldon-server,elkingtonmcb/seldon-server,varunkothamachu/seldon-server,smrjan/seldon-server,SeldonIO/seldon-server,b-cuts/seldon-server,smrjan/seldon-server,michaelshing/seldon-server,varunkothamachu/seldon-server,elkingtonmcb/seldon-server,smrjan/seldon-server,b-cuts/seldon-server,SeldonIO/seldon-server,b-cuts/seldon-server,smrjan/seldon-server,elkingtonmcb/seldon-server,tmylk/seldon-server,SeldonIO/seldon-server,tmylk/seldon-server,tmylk/seldon-server,smrjan/seldon-server,b-cuts/seldon-server,tmylk/seldon-server