protoc -I/usr/local/include -I. -I${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis --go_out=plugins=grpc:. --grpc-gateway_out=logtostderr=true:. echoserver/echoserver.proto
protoc -I/usr/local/include -I. -I$GOPATH/src -I$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis
-I grpc/ grpc/grpc.proto --go_out=plugins=grpc:grpc
