Update dependencies

vendor/github.com/tcnksm/go-httpstat/Makefile

@@ -0,0 +1,26 @@
+PACKAGES = $(shell go list ./... | grep -v '/vendor/')
+
+default: test
+
+test-all: vet lint test
+
+test: 
+	go test -v -parallel=4 ${PACKAGES}
+
+test-race:
+	go test -v -race ${PACKAGES}
+
+vet:
+	go vet ${PACKAGES}
+
+lint:
+	@go get github.com/golang/lint/golint
+	go list ./... | grep -v vendor | xargs -n1 golint 
+
+cover:
+	@go get golang.org/x/tools/cmd/cover		
+	go test -coverprofile=cover.out
+	go tool cover -html cover.out
+	rm cover.out
+
+.PHONY: test test-race vet lint cover