fix(glide.yaml,build.go): use github accessible uuid package

the code.google.com no longer downloads

Author: Aaron Schlesinger

glide.yaml

@@ -21,10 +21,7 @@ import:
 - package: gopkg.in/yaml.v2
   version: eca94c41d994ae2215d455ce578ae6e2dc6ee516
 - package: github.com/labstack/gommon
-- package: code.google.com/p/go-uuid
-  version: 35bc42037350f0078e3c974c6ea690f1926603ab
-  subpackages:
-  - uuid
+- package: https://github.com/pborman/uuid
 - package: github.com/deis/pkg
   subpackages:
   - /time

pkg/gitreceive/build.go

@@ -10,9 +10,9 @@ import (
 	"strings"
 	"time"
 
-	"code.google.com/p/go-uuid/uuid"
 	"github.com/deis/builder/pkg"
 	"github.com/deis/builder/pkg/gitreceive/log"
+	"github.com/pborman/uuid"
 	"gopkg.in/yaml.v2"
 )