Made the weave-local domain "weave" a constant

Plus some logging on startup

main.go

@@ -10,6 +10,10 @@ import (
 	"time"
 )
 
+const (
+	LOCAL_DOMAIN = "weave"
+)
+
 var zone = new(weavedns.ZoneDb)
 
 func makeDNSReply(r *dns.Msg, name string, addr net.IP) *dns.Msg {
@@ -117,11 +121,11 @@ func main() {
 	}
 
 	LocalServeMux := dns.NewServeMux()
-	LocalServeMux.HandleFunc("local", handleLocal)
+	LocalServeMux.HandleFunc(LOCAL_DOMAIN, handleLocal)
 	go weavedns.ListenHttp(zone)
 
 	MDNSServeMux := dns.NewServeMux()
-	MDNSServeMux.HandleFunc("local", handleMDNS)
+	MDNSServeMux.HandleFunc(LOCAL_DOMAIN, handleMDNS)
 
 	conn, err := weavedns.LinkLocalMulticastListener(iface)
 	if err != nil {
@@ -130,6 +134,8 @@ func main() {
 	mdnsClient, err = weavedns.NewMDNSClient()
 	if err != nil {
 		log.Fatal(err)
+	} else {
+		log.Printf("Using mDNS on %s", ifaceName)
 	}
 	mdnsClient.Start()
 
@@ -139,5 +145,7 @@ func main() {
 	err = dns.ListenAndServe(address, "udp", LocalServeMux)
 	if err != nil {
 		log.Fatal(err)
+	} else {
+		log.Printf("Listening for DNS on %s", address)
 	}
 }