vendor: update everything

* If possible, update each dependency to the latest available version.

* Use releases over commit IDs and avoid vendoring branches.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

vendor/github.com/hashicorp/go-multierror/format.go

@@ -13,7 +13,7 @@ type ErrorFormatFunc func([]error) string
 // that occurred along with a bullet point list of the errors.
 func ListFormatFunc(es []error) string {
 	if len(es) == 1 {
-		return fmt.Sprintf("1 error occurred:\n\n* %s", es[0])
+		return fmt.Sprintf("1 error occurred:\n\t* %s\n\n", es[0])
 	}
 
 	points := make([]string, len(es))
@@ -22,6 +22,6 @@ func ListFormatFunc(es []error) string {
 	}
 
 	return fmt.Sprintf(
-		"%d errors occurred:\n\n%s",
-		len(es), strings.Join(points, "\n"))
+		"%d errors occurred:\n\t%s\n\n",
+		len(es), strings.Join(points, "\n\t"))
 }

vendor/github.com/hashicorp/go-multierror/sort.go

@@ -0,0 +1,16 @@
+package multierror
+
+// Len implements sort.Interface function for length
+func (err Error) Len() int {
+	return len(err.Errors)
+}
+
+// Swap implements sort.Interface function for swapping elements
+func (err Error) Swap(i, j int) {
+	err.Errors[i], err.Errors[j] = err.Errors[j], err.Errors[i]
+}
+
+// Less implements sort.Interface function for determining order
+func (err Error) Less(i, j int) bool {
+	return err.Errors[i].Error() < err.Errors[j].Error()
+}