tree bb04f5e0ed54bdf66c0983f568b6b5e748b04d29
parent 52307e60bac5f46266a5dd42d5c9b20fe0c4208b
author Jonathan Hart <jono@onlab.us> 1414621998 -0700
committer Jonathan Hart <jono@onlab.us> 1414621998 -0700

Add an empty topology at initialization so we can never have a null topology

Change-Id: I07921583e107895aeeb627f7d61920fed800e77c