Ryan Ernst 53cff0f00f Move all zen discovery classes into o.e.discovery.zen (#21032)
* Move all zen discovery classes into o.e.discovery.zen

This collapses sub packages of zen into zen. These all had just a couple
classes each, and there is really no reason to have the subpackages.

* fix checkstyle
2016-10-20 00:44:48 -07:00
..