drusellers/etcetera — pull request #10 by smalldave (2014-05-06 21:00:46+00:00)
Title: Remove the lock module. It has been deprecated by the etcd team.

The leader and lock modules have been deprecated by the etcd team so they can focus on the core functionality of etcd.
http://coreos.com/docs/distributed-configuration/etcd-api/
Remove the lock module from etcd