Updated openstack/openstack
Project: openstack/python-novaclient  547af1c481f86a7fc5f30507181ca1580ab1d985

Add support for new fields in network create

Also adds missing network-delete shell command. Additionally changes
the type of vlan and vlan_start to int to match the api samples.

Partially-implements blueprint better-support-for-multiple-networks

Change-Id: I233614431db4737284cceaf8e6b947f50dd84602