Updated openstack/openstack
Project: openstack-dev/devstack  93bc338e38a9c62f784cc9f4a800a0fc1a433a96
null
Source lib/neutron in boot_from_volume.sh

Without lib/neutron, boot_from_volume.sh generates the following
error:

  + _ping_check_neutron private 10.11.12.5 30
  /devstack/functions: line 356: _ping_check_neutron: command not found

Change-Id: Ib72c3f24d614570d69bf5dda35cbaf5847b1d1b9