coreos/etcd — pull request #1362 by philips (2014-10-22 23:26:05+00:00)
Title: etcdserver: use hex for cluster and machine id

Continue using hex everywhere. Including here.

TODO: cleanup the printing of the structs which currently have decimal
to/from:

`{Type:MsgAppResp To:9973738105406047488 From:17050684879817348455 T...`