tree fa1513c1cc0c7e0ecbc33fc0344524487edf7beb
parent 3ce80f72f5c58063b9940b690e35015afd077c37
author Thomas Vachuska <tom@onlab.us> 1469140865 -0700
committer Thomas Vachuska <tom@onlab.us> 1469141436 -0700

Adding commands for managing layouts.

Adding support for wiping out regions and layouts.
Refactored UI layout manager to allow public knowledge of default layout id.
Enhanced test topo for layout hierarchy.

Change-Id: I254fd494175e753f542f12a664618c1a83f72127