Tolerate go get failures for coredns/forward (#1435)

* testpr3

* hack

* chop

* tolerate coredns/coredns get fail

* remove TEST from readme

Makefile

@@ -36,7 +36,7 @@ godeps:
 	go get -u github.com/prometheus/client_golang/prometheus
 	go get -u golang.org/x/net/context
 	go get -u golang.org/x/text
-	go get -u github.com/coredns/forward
+	-go get -f -u github.com/coredns/forward
 	(cd $(GOPATH)/src/github.com/mholt/caddy              && git checkout -q v0.10.10)
 	(cd $(GOPATH)/src/github.com/miekg/dns                && git checkout -q v1.0.4)
 	(cd $(GOPATH)/src/github.com/prometheus/client_golang && git checkout -q v0.8.0)