Moving proxy things to its own playbook + role

ansible/roles/proxy/files/host-file

@@ -0,0 +1,15 @@
+127.0.0.1 localhost
+127.0.1.1 nigel
+
+# Our own dns stuff
+127.0.1.1 nigel.local
+127.0.1.1 nomad.nigel.local
+127.0.1.1 sanity.nigel.local
+127.0.1.1 ncr.nigel.local
+
+# The following lines are desirable for IPv6 capable hosts
+::1     ip6-localhost ip6-loopback
+fe00::0 ip6-localnet
+ff00::0 ip6-mcastprefix
+ff02::1 ip6-allnodes
+ff02::2 ip6-allrouters