Brian O'Connor

Adding deb/postrm to recreate /opt if it is removed by dpkg

Change-Id: Ic52fd90ab4726c88e395da3621f392d5155866d8
1 +#!/bin/bash
2 +
3 +# FIXME dpkg will remove /opt if it is empty after removing onos
4 +# We should recreate /opt if it was deleted.
5 +sudo mkdir -p /opt