using multistream muxer

* ID service stream
* make the relay service use msmux
* fix nc tests

Note from jbenet: Maybe we should remove the old protocol/muxer
and see what breaks. It shouldn't be used by anything now.

License: MIT
Signed-off-by: Jeromy <jeromyj@gmail.com>
Signed-off-by: Juan Batiz-Benet <juan@benet.ai>

Godeps/Godeps.json

@@ -95,6 +95,10 @@
 			"ImportPath": "github.com/cryptix/mdns",
 			"Rev": "04ff72a32679d57d009c0ac0fc5c4cda10350bad"
 		},
+		{
+			"ImportPath": "github.com/docker/spdystream",
+			"Rev": "e372247595b2edd26f6d022288e97eed793d70a2"
+		},
 		{
 			"ImportPath": "github.com/dustin/go-humanize",
 			"Rev": "00897f070f09f194c26d65afae734ba4c32404e8"
@@ -220,7 +224,7 @@
 		},
 		{
 			"ImportPath": "github.com/jbenet/go-stream-muxer",
-			"Rev": "4a97500beeb081571128d41d539787e137f18404"
+			"Rev": "e2e261765847234749629e0190fef193a4548303"
 		},
 		{
 			"ImportPath": "github.com/jbenet/go-temp-err-catcher",
@@ -334,6 +338,14 @@
 			"ImportPath": "github.com/whyrusleeping/go-metrics",
 			"Rev": "1cd8009604ec2238b5a71305a0ecd974066e0e16"
 		},
+		{
+			"ImportPath": "github.com/whyrusleeping/go-multiplex",
+			"Rev": "474b9aebeb391746f304ddf7c764a5da12319857"
+		},
+		{
+			"ImportPath": "github.com/whyrusleeping/go-multistream",
+			"Rev": "c9eea2e3be705b7cfd730351b510cfa12ca038f4"
+		},
 		{
 			"ImportPath": "github.com/whyrusleeping/multiaddr-filter",
 			"Rev": "9e26222151125ecd3fc1fd190179b6bdd55f5608"