update to latest amino (pre) release v0.11.1

- also reformat code and order imports

Gopkg.toml

@@ -63,7 +63,7 @@
 
 [[constraint]]
   name = "github.com/tendermint/go-amino"
-  version = "=0.10.1"
+  version = "=v0.11.1"
 
 [[constraint]]
   name = "google.golang.org/grpc"

types/proto3_test.go

@@ -2,10 +2,12 @@ package types
 
 import (
 	"testing"
-	"github.com/tendermint/tendermint/types/proto3"
-	"github.com/stretchr/testify/assert"
-	"github.com/golang/protobuf/proto"
 	"time"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/stretchr/testify/assert"
+
+	"github.com/tendermint/tendermint/types/proto3"
 )
 
 func TestProto3Compatibility(t *testing.T) {
@@ -29,7 +31,6 @@ func TestProto3Compatibility(t *testing.T) {
 		LastCommitHash: []byte("commit hash"),
 		DataHash:       []byte("data hash"),
 		ValidatorsHash: []byte("validators hash"),
-
 	}
 	aminoHeader := Header{
 		ChainID: "cosmos",
@@ -69,7 +70,6 @@ func TestProto3Compatibility(t *testing.T) {
 		LastCommitHash: []byte("commit hash"),
 		DataHash:       []byte("data hash"),
 		ValidatorsHash: []byte("validators hash"),
-
 	}
 	emptyLastBlockAm := Header{
 		ChainID:        "cosmos",