Update Makefile

go get is deprecated.  Adding -d option as suggest here https://golang.org/doc/go-get-install-deprecation

Makefile

@@ -21,7 +21,7 @@ $(GOPATH)/bin/hound: ui/bindata.go $(SRCS)
 	go install github.com/hound-search/hound/cmds/hound
 
 .build/bin/go-bindata:
-	GOPATH=`pwd`/.build go get github.com/go-bindata/go-bindata/...
+	GOPATH=`pwd`/.build go get -d github.com/go-bindata/go-bindata/...
 
 ui/bindata.go: .build/bin/go-bindata node_modules $(wildcard ui/assets/**/*)
 	rsync -r ui/assets/* .build/ui
@@ -37,7 +37,7 @@ test:
 
 lint:
 	export GO111MODULE=on
-	go get github.com/golangci/golangci-lint/cmd/golangci-lint
+	go get -d github.com/golangci/golangci-lint/cmd/golangci-lint
 	export GOPATH=/tmp/gopath
 	export PATH=$GOPATH/bin:$PATH
 	golangci-lint run ./...