Fix import path for goyaml

Cartridge

@@ -7,4 +7,4 @@ github.com/garyburd/redigo/redis origin/master
 github.com/cloudfoundry/gosteno origin/master
 github.com/onsi/ginkgo origin/master
 github.com/onsi/gomega origin/master
-launchpad.net/goyaml last:1
+github.com/go-yaml/yaml origin/master

Cartridge.lock

@@ -7,4 +7,4 @@ github.com/garyburd/redigo/redis	ed54f4ed86a815cf09870e4bd1a10a2ee39a4308
 github.com/cloudfoundry/gosteno	5eb8c6e554f0dfc39d6468813b8ac19ec28fe74f
 github.com/onsi/ginkgo	32204a3eab0576cbea19f5ff8b27d3a928647ea6
 github.com/onsi/gomega	a78ae492d53aad5a7a232d0d0462c14c400e3ee7
-launchpad.net/goyaml	51
+github.com/go-yaml/yaml	53feefa2559fb8dfa8d81baad31be332c97d6c77

config/config.go

@@ -5,7 +5,7 @@ import (
 	"io/ioutil"
 	"os"
 
-	"launchpad.net/goyaml"
+	goyaml "github.com/go-yaml/yaml"
 )
 
 type Config interface {

config/config_test.go

@@ -244,7 +244,7 @@ var _ = Describe("ConfigAndFlags", func() {
 			flags = []string{"-config", tempfile}
 
 			err = config.Parse(flags)
-			Ω(err.Error()).Should(ContainSubstring("YAML error"))
+			Ω(err.Error()).Should(ContainSubstring("yaml: line"))
 			os.RemoveAll(tempfile)
 		})
 	})