INCOMPATIBILITY: move relay url to /v1

This should make it cleaner to add a /v2 in the future.

src/wormhole/cli/public_relay.py

@@ -1,5 +1,5 @@
 
 # This is a relay I run on a personal server. If it gets too expensive to
 # run, I'll shut it down.
-RENDEZVOUS_RELAY = u"ws://wormhole-relay.petmail.org:4000/"
+RENDEZVOUS_RELAY = u"ws://wormhole-relay.petmail.org:4000/v1"
 TRANSIT_RELAY = u"tcp:wormhole-transit-relay.petmail.org:4001"

src/wormhole/server/server.py

@@ -48,8 +48,9 @@ class RelayServer(service.MultiService):
         rendezvous = Rendezvous(db, welcome, blur_usage)
         rendezvous.setServiceParent(self) # for the pruning timer
 
+        root = Root()
         wsrf = WebSocketRendezvousFactory(None, rendezvous)
-        root = WebSocketResource(wsrf)
+        root.putChild(b"v1", WebSocketResource(wsrf))
 
         site = PrivacyEnhancedSite(root)
         if blur_usage: