Fix import paths in tests.

decode_test.go

diff --git a/decode_test.go b/decode_test.go
index 694a11b..0a533b1 100644
--- a/decode_test.go
+++ b/decode_test.go
@@ -2,7 +2,7 @@
 
 import (
 	. "launchpad.net/gocheck"
-	"gonuts.org/v1/yaml"
+	"gopkg.in/v1/yaml"
 	"math"
 	"reflect"
 )

encode_test.go

diff --git a/encode_test.go b/encode_test.go
index bf117fc..aaea2e3 100644
--- a/encode_test.go
+++ b/encode_test.go
@@ -3,7 +3,7 @@
 import (
 	"fmt"
 	. "launchpad.net/gocheck"
-	"gonuts.org/v1/yaml"
+	"gopkg.in/v1/yaml"
 	"math"
 	"strconv"
 	"strings"