multi: update build to latest version of neutrino+btcwallet

In this commit, we update the build to point to the latest version of
neutrino and btcwallet. The latest version of neutrino includes a number
of bug fixes, and new features like reliably transaction broadcast. The
latest version of btcwallet contains a number of bug fixes related to
properly remove invalid transactions from its database.

go.mod

@@ -9,9 +9,8 @@ require (
 	github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32
 	github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f
 	github.com/btcsuite/btcutil v0.0.0-20190207003914-4c204d697803
-	github.com/btcsuite/btcwallet v0.0.0-20190213034619-b51c1adeee55
+	github.com/btcsuite/btcwallet v0.0.0-20190313041134-68fc7c82e131
 	github.com/btcsuite/fastsha256 v0.0.0-20160815193821-637e65642941
-	github.com/btcsuite/goleveldb v1.0.0 // indirect
 	github.com/coreos/bbolt v1.3.2
 	github.com/davecgh/go-spew v1.1.1
 	github.com/go-errors/errors v1.0.1
@@ -29,9 +28,9 @@ require (
 	github.com/juju/utils v0.0.0-20180820210520-bf9cc5bdd62d // indirect
 	github.com/juju/version v0.0.0-20180108022336-b64dbd566305 // indirect
 	github.com/kkdai/bstream v0.0.0-20181106074824-b3251f7901ec
-	github.com/lightninglabs/neutrino v0.0.0-20190219013218-1a80fd3d0e92
+	github.com/lightninglabs/neutrino v0.0.0-20190313220016-a6cc2a8361d5
 	github.com/lightningnetwork/lightning-onion v0.0.0-20180605012408-ac4d9da8f1d6
-	github.com/lightningnetwork/lnd/queue v1.0.0
+	github.com/lightningnetwork/lnd/queue v1.0.1
 	github.com/lightningnetwork/lnd/ticker v1.0.0
 	github.com/ltcsuite/ltcd v0.0.0-20190101042124-f37f8bf35796
 	github.com/miekg/dns v0.0.0-20171125082028-79bfde677fa8