multi: change all imports to roasbeef's forks

This commit will allow the general public to build lnd without jumping
through hoops setting up their local git branches nicely with all of
our forks.

elkrem/elkrem.go

@@ -3,7 +3,7 @@ package elkrem
 import (
 	"fmt"
 
-	"github.com/btcsuite/btcd/wire"
+	"github.com/roasbeef/btcd/wire"
 )
 
 /* elkrem is a simpler alternative to the 64 dimensional sha-chain.

elkrem/elkrem_test.go

@@ -3,7 +3,7 @@ package elkrem
 import (
 	"testing"
 
-	"github.com/btcsuite/btcd/wire"
+	"github.com/roasbeef/btcd/wire"
 )
 
 // TestElkremBig makes a height 63 (max size possible) tree and tries 10K hashes

elkrem/findpre.go

@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"fmt"
 
-	"github.com/btcsuite/btcutil"
+	"github.com/roasbeef/btcutil"
 )
 
 /* findpre - find the pre-image for a given hash

elkrem/serdes.go

@@ -5,7 +5,7 @@ import (
 	"encoding/binary"
 	"fmt"
 
-	"github.com/btcsuite/btcd/wire"
+	"github.com/roasbeef/btcd/wire"
 )
 
 /* Serialization and Deserialization methods for the Elkrem structs.