hack/scripts-dev: add Makefile, Dockerfile-test

Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>

hack/scripts-dev/docker-dns-srv/run.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+/etc/init.d/bind9 start
+
+# get rid of hosts so go lookup won't resolve 127.0.0.1 to localhost
+cat /dev/null >/etc/hosts
+
+goreman -f /Procfile start &
+sleep 7s
+
+ETCDCTL_API=3 ./etcdctl \
+  --cacert=/certs/ca.crt \
+  --cert=/certs/server-wildcard.crt \
+  --key=/certs//server-wildcard.key.insecure \
+  --discovery-srv etcd.local \
+  put foo bar