the public network should be a param

in openstack, public network is often called public by convention.
However this is not required and so we should allow it to be changed via
property.

Issue-ID: TEST-166
Change-Id: I0d8be611acc251dcc642088f18ddf5d104b22e12
Signed-off-by: DR695H <dr695h@att.com>
1 file changed