coreos/etcd — pull request #1921 by xiang90 (2014-12-12 00:25:31+00:00)
Title: store: return utc time to user

Fix #1264
return utc instead of local time
```
{"action":"set","node":{"key":"/foo","value":"bar","expiration":"2014-12-12T00:23:24.805038436Z","ttl":5,"modifiedIndex":3,"createdIndex":3}}
```