Merge pull request #1472 from hashicorp/f-node-status-updated-ts

Added the status updated at timestamp

api/nodes.go

@@ -111,6 +111,7 @@ type Node struct {
 	Drain             bool
 	Status            string
 	StatusDescription string
+	StatusUpdatedAt   int64
 	CreateIndex       uint64
 	ModifyIndex       uint64
 }