Update import for gocheck

Fixes #26

Author: gregjones

diskcache/diskcache_test.go

@@ -3,9 +3,10 @@ package diskcache
 import (
 	"bytes"
 	"io/ioutil"
-	. "launchpad.net/gocheck"
 	"os"
 	"testing"
+
+	. "gopkg.in/check.v1"
 )
 
 func Test(t *testing.T) { TestingT(t) }

httpcache_test.go

@@ -7,7 +7,7 @@ import (
 	"testing"
 	"time"
 
-	. "launchpad.net/gocheck"
+	. "gopkg.in/check.v1"
 )
 
 var _ = fmt.Print

memcache/appengine_test.go

@@ -8,7 +8,7 @@ import (
 
 	"appengine/aetest"
 
-	. "launchpad.net/gocheck"
+	. "gopkg.in/check.v1"
 )
 
 func Test(t *testing.T) { TestingT(t) }

memcache/memcache_test.go

@@ -8,7 +8,7 @@ import (
 	"net"
 	"testing"
 
-	. "launchpad.net/gocheck"
+	. "gopkg.in/check.v1"
 )
 
 const testServer = "localhost:11211"