Added setupNetworks command to vdsClient

To have ability to setup networks and bondings configuration from vdsClient.

Change-Id: I0578caf5b5d9c4a4fb4a43b273f3fe2bdff9b03d
Signed-off-by: Petr Sebek <psebek@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/14132
Reviewed-by: Mark Wu <wudxw@linux.vnet.ibm.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>