fix crypto tests

crypto/README.md

@@ -1,9 +1,9 @@
-# go-crypto [![GoDoc](https://godoc.org/github.com/tendermint/go-crypto?status.svg)](https://godoc.org/github.com/tendermint/go-crypto)
+# go-crypto
 
 go-crypto is the cryptographic package adapted for Tendermint's uses
 
 ## Importing it
-`import "github.com/tendermint/go-crypto"`
+`import "github.com/tendermint/tendermint/crypto"`
 
 ## Binary encoding
 

crypto/example_test.go

@@ -17,7 +17,7 @@ package crypto_test
 import (
 	"fmt"
 
-	"github.com/tendermint/go-crypto"
+	"github.com/tendermint/tendermint/crypto"
 )
 
 func ExampleSha256() {

crypto/priv_key_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	crypto "github.com/tendermint/go-crypto"
+	"github.com/tendermint/tendermint/crypto"
 )
 
 func TestGeneratePrivKey(t *testing.T) {